125 + Interview Questions in Nano Materials in Applied Chemistry Page 2 InterviewSolution

51.	After drying process the liquid phase is removed from the gel and ___________ is performed.(a) Calcination(b) De-oxygenation(c) Oxygenation(d) HydrogenationI got this question in an internship interview.I'd like to ask this question from Sol-Gel Method and Chemical Reduction Method topic in chapter Nano Materials of Applied Chemistry
Answer» Right ANSWER is (a) Calcination The best I can explain: After drying process the liquid phase is removed from the GEL and calcination is PERFORMED in order to enhance the MECHANICAL properties. Alcohol is used as a solvent.

Discussion

52.	The chain, two dimensional and three dimensional polymers are formed under ______(a) Vacuum(b) High pressure(c) Low pressure(d) No pressureThis question was addressed to me during an online exam.Question is from Fullerenes and their Properties topic in portion Nano Materials of Applied Chemistry
Answer» Correct option is (b) High pressure Best explanation: The CHAIN, two dimensional and three dimensional polymers are FORMED under high pressure. The high temperature is also MAINTAINED to FORM the polymers.

Discussion

53.	The smallest bucky ball cluster is _________(a) C6(b) C8(c) C10(d) C20The question was posed to me in homework.I would like to ask this question from Fullerenes and their Properties topic in section Nano Materials of Applied Chemistry
Answer» The correct OPTION is (d) C20 The best I can explain: The SMALLEST bucky BALL cluster is C20. It is the unsaturated VERSION of the dodecahedrane. The most common bucky ball is the C60.

Discussion

54.	Nano wires are also used as lasers.(a) False(b) TrueI got this question during an interview.My question is taken from Nano Wires and Nano Cones in chapter Nano Materials of Applied Chemistry
Answer» Correct answer is (b) True Best explanation: Nano wires are ALSO used as lasers with potential as inter CONNECT and optical data COMMUNICATION on chip. The HIGH refractive index allows LOW optical loss in nano wire core.

Discussion

55.	Nano cones are the predominant structures made with _________(a) Carbon(b) Nitrogen(c) Hydrogen(d) SiliconThis question was addressed to me in examination.Origin of the question is Nano Wires and Nano Cones topic in portion Nano Materials of Applied Chemistry
Answer» Right option is (a) CARBON Best EXPLANATION: Nano cones are the predominant STRUCTURES made with carbon. Nano cones have HEIGHT and base diameter of same ORDER of magnitude.

Discussion

56.	Nano wires are used in ________(a) Transistors(b) Resistors(c) Capacitors(d) TransducersThe question was asked in an interview.The origin of the question is Nano Wires and Nano Cones topic in portion Nano Materials of Applied Chemistry
Answer» Right option is (a) TRANSISTORS Explanation: The NANO wires are USED in the transistors. The key challenge for BUILDING the nano scale transistor is ensuring GOOD gate control over the channel.

Discussion

57.	The diameter of the nano wire is about __________(a) 10^-6m(b) 10^-3m(c) 10^-8m(d) 10^-9mThe question was asked in an online interview.Query is from Nano Wires and Nano Cones topic in chapter Nano Materials of Applied Chemistry
Answer» The correct choice is (d) 10^-9m The EXPLANATION: The diameter of the nano wire is about 10^-9. The NAME itself has nano. So, it is in the size nano. The nano MEANS 10^-9m.

Discussion

58.	CNT can store _________(a) Nitrogen(b) Carbondioxide(c) Hydrogen(d) PeroxidesThis question was addressed to me during an interview.My question is based upon Properties and Uses of CNT topic in portion Nano Materials of Applied Chemistry
Answer» Correct CHOICE is (c) HYDROGEN To elaborate: CNT can store hydrogen. It can be later used as the source of fuel. The CNT also used in the BULLET proofing CLOTHES and STAB proof clothings.

Discussion

59.	The gel is a ___________ mass.(a) Heavy molecular(b) Semi regid(c) Regid(d) Light molecularThis question was posed to me in exam.I'm obligated to ask this question of Sol-Gel Method and Chemical Reduction Method in division Nano Materials of Applied Chemistry
Answer» The correct choice is (b) Semi regid The best I can EXPLAIN: The gel is a semi regid mass. It is FORMED when the solvent form sol BEGINS to evaporate and particles or ions left behind being to JOIN together in a CONTINUOUS network.

Discussion

60.	CNT is used to make ___________(a) Paper batteries(b) High voltage batteries(c) Car batteries(d) Clock batteriesThis question was addressed to me in a national level competition.This intriguing question originated from Properties and Uses of CNT topic in chapter Nano Materials of Applied Chemistry
Answer» Right option is (a) Paper batteries Easiest explanation: A paper batteries is a battery ENGINEERED to use a paper THIN sheet of CELLULOSE infused with CNT. Here CNT are used as electrodes ALLOWING the storage devices to conduct electricity.

Discussion

61.	After applying the large current between the graphite rods __________ is produced.(a) Nitrogen plasma arc(b) Carbon plasma arc(c) Oxygen plasma arcs(d) Hydrogen plasma arcsThe question was posed to me in an online interview.My query is from Fullerenes and their Properties in division Nano Materials of Applied Chemistry
Answer» Right answer is (b) Carbon plasma ARC Explanation: After applying the large CURRENT between the GRAPHITE RODS nearby it. Later those results in carbon plasma arc between the electrodes cools into sooty residue from many FULLERENES can be isolated.

Discussion

62.	The boron bucky balls are found in the year __________(a) 2001(b) 2002(c) 2003(d) 2007The question was posed to me by my college director while I was bunking the class.My question comes from Fullerenes and their Properties in section Nano Materials of Applied Chemistry
Answer» Correct choice is (d) 2007 Easy explanation: The boron bucky BALL is found in the year 2007. The TYPES of Bucky balls are in which the boron atoms are PRESENT instead of carbon bucky balls.

Discussion

63.	The structure of C60 is called as _______(a) Isohedron(b) Truncated isohedron(c) Trigonal(d) Trigonal bipyramidalThe question was asked in final exam.The query is from Fullerenes and their Properties in division Nano Materials of Applied Chemistry
Answer» Correct option is (b) TRUNCATED isohedron To explain I WOULD say: The structure of C60 is called as truncated isohedron. This resembles a foot BALL structure. It consists of PENTAGONS and hexagons linkage.

Discussion

64.	Spherical particles based on the multiple layers surrounding a buck ball core is called ___________(a) Nano onions(b) Nano particles(c) Nano clusters(d) Nano materialsI have been asked this question during an online interview.This interesting question is from Fullerenes and their Properties in section Nano Materials of Applied Chemistry
Answer» The correct choice is (a) Nano onions The best EXPLANATION: Spherical particles based on the multiple layers SURROUNDING a buck ball core are CALLED nano onions. These are PROPOSED mostly for LUBRICANTS.

Discussion

65.	The solvent evolves towards the formation of an inorganic continuous network containing a ___________(a) Gaseous phase(b) Gel(c) Solid phase(d) Semi solid phaseI have been asked this question in semester exam.My question is taken from Sol-Gel Method and Chemical Reduction Method in chapter Nano Materials of Applied Chemistry
Answer» Right option is (b) GEL To EXPLAIN: The solvent EVOLVES TOWARDS the formation of an inorganic continuous network containing a gel. It also may be in LIQUID phase.

Discussion

66.	By nano scale distribution of the _______ in matrix improves the life and performance.(a) Carbide(b) Tungsten(c) Hydrides(d) NitritesThis question was posed to me during an online interview.Query is from Applications of Nano Materials topic in division Nano Materials of Applied Chemistry
Answer» Correct option is (b) Tungsten Best explanation: By the NANO scale DISTRIBUTION of the tungsten in MATRIX. The matrix contains tungsten carbide that improves the LIFE and performance of cutting tool materials.

Discussion

67.	Sol-gel method is ________ chemical process.(a) Dry(b) Wet(c) Semi liquid(d) Semi solidI have been asked this question during an online interview.Question is taken from Sol-Gel Method and Chemical Reduction Method in section Nano Materials of Applied Chemistry
Answer» The correct answer is (b) Wet To elaborate: Sol-GEL method is the wet CHEMICAL process. It USES a sol to produce an INTEGRATED network that is called as formation of gel.

Discussion

68.	Most promising applications of the CNT is _________(a) Paper batteries(b) Solar cells(c) Space elevators(d) Stab proofThe question was asked in an internship interview.My question is taken from Properties and Uses of CNT topic in chapter Nano Materials of Applied Chemistry
Answer» Correct CHOICE is (b) Solar cells The best I can EXPLAIN: Most PROMISING applications of CNT is solar cells. It is due to their STRONG UV absorption CHARACTERISTICS. It is developed at NIIT.

Discussion

69.	Laser ablation method is developed by _______(a) Kelvin(b) Richard Smalley(c) Watson and crick(d) Neils bohrI had been asked this question during an interview.My doubt stems from Carbon Nano Tubes in section Nano Materials of Applied Chemistry
Answer» CORRECT choice is (b) RICHARD Smalley Easiest explanation: Laser ablation method is DEVELOPED by Dr. Richard Smalley at rice university, USA. In this PROCESS a pulsed laser vaporises a GRAPHITE target.

Discussion

70.	The yield of the laser ablation is ______________(a) 30%(b) 70%(c) 80%(d) 90%This question was addressed to me in final exam.This question is from Carbon Nano Tubes topic in portion Nano Materials of Applied Chemistry
Answer» The CORRECT option is (b) 70% Explanation: The YIELD of the laser ABLATION is 70%. The reaction temperature determines the diameter of the SINGLE walled CNT.

Discussion

71.	___________ is exhibited by fullerenes.(a) Dual nature(b) Sp hybridization(c) Dehydrogenation(d) DehalogenationThe question was posed to me in exam.Asked question is from Fullerenes and their Properties topic in section Nano Materials of Applied Chemistry
Answer» The correct choice is (a) Dual NATURE Easy EXPLANATION: The dual nature is exhibited by FULLERENES. The halogenation and HYDROGENATION are also DONE in the fullerenes.

Discussion

72.	The fullerenes that are larger in diameter than nano tubes and having walls of different thickness are ____________(a) Mega tubes(b) Carbon nano tubes(c) Bucky ball clusters(d) PolymersThe question was asked in final exam.The query is from Fullerenes and their Properties in section Nano Materials of Applied Chemistry
Answer» The correct answer is (a) MEGA tubes For explanation I would say: The FULLERENES that are larger in diameter than the nano tube and having WALLS of different THICKNESS are mega tubes. They are having different sizes.

Discussion

73.	The nano particles from iron and palladium are used to produce ________(a) Magnets(b) Magnetic lens(c) Magneto meters(d) Magnetic storage devicesI have been asked this question in examination.This interesting question is from Applications of Nano Materials in chapter Nano Materials of Applied Chemistry
Answer» The correct option is (d) Magnetic storage devices The best I can explain: The NANO PARTICLES from IRON and PALLADIUM were synthesized and they are used to produce the magnetic storage devices. They produce only tetra byte storage CAPABILITIES.

Discussion

74.	Formation of an inorganic continuous network containing the metal centres with _________(a) Azo(b) Oxo(c) Nitro(d) HydroThis question was addressed to me in final exam.The question is from Sol-Gel Method and Chemical Reduction Method in section Nano Materials of Applied Chemistry
Answer» RIGHT choice is (B) Oxo Explanation: Formation of an inorganic continuous NETWORK containing the metal centres with Oxo(M-O-M) or ELSE it can be hydroxo(M-OH-M).

Discussion

75.	The constituents of this material that is yttrium, barium and copper are in ____________(a) 1:1:1(b) 1:2:2(c) 1:2:3(d) 1:2:1This question was posed to me at a job interview.The origin of the question is Super Conductors in section Nano Materials of Applied Chemistry
Answer» Correct choice is (C) 1:2:3 To EXPLAIN I would say: The CONSTITUENTS of this material that yttrium, barium and copper are in 1:2:3 MOLAR stoichiometric ratios and hence are called as 1:2:3 SUPER conductors.

Discussion

76.	This functions as a super conductor at a critical temperature of ________(a) 30^oK(b) 60^oK(c) 90^oK(d) 120^oKI got this question in semester exam.Origin of the question is Super Conductors topic in section Nano Materials of Applied Chemistry
Answer» Right answer is (C) 90^oK Best EXPLANATION: This functions as a super conductor at a CRITICAL temperature of 900K. Charged particles in solids can travel only in fixed directions or levels.

Discussion

77.	The normal metal passes into super conducting state at ___________(a) High temperature(b) Low temperature(c) Critical temperature(d) No temperatureI have been asked this question in an online interview.My question is from Super Conductors topic in chapter Nano Materials of Applied Chemistry
Answer» Correct choice is (c) CRITICAL temperature For explanation: The normal metal PASSES into SUPER conducting state at critical temperature. Most of the metals ACT as super CONDUCTORS at low temperatures.

Discussion

78.	A spray of CNT mixture on ceramic coatings gives the ability to resist ________(a) Stains(b) Damage(c) Smoothness(d) ClearnessI have been asked this question in an interview.My question comes from Properties and Uses of CNT in portion Nano Materials of Applied Chemistry
Answer» CORRECT option is (b) DAMAGE The explanation: A spray of CNT mixture on ceramic coatings gives the ABILITY to resist the damage while absorbing the LASER light. This application is called optical power detectors.

Discussion

79.	Multi walled CNT are ________ concentric nano tubes.(a) Single(b) Double(c) Triple(d) MultipleI had been asked this question at a job interview.Asked question is from Properties and Uses of CNT topic in section Nano Materials of Applied Chemistry
Answer» RIGHT CHOICE is (d) Multiple For explanation: MULTI walled CNT are multiple concentric nano TUBES nested with in one another which EXHIBIT a striking telescoping property.

Discussion

80.	Plasma torch method is similar to the __________(a) Laser ablation(b) Arc discharge(c) Chemical vapour decomposition(d) ElectrolysisI got this question by my college director while I was bunking the class.This intriguing question originated from Carbon Nano Tubes in portion Nano Materials of Applied Chemistry
Answer» Right answer is (B) ARC discharge Easiest explanation: PLASMA torch method is similar to the arc discharge method. It is first started to make the single walled CNT in 2005.

Discussion

81.	Graphite is also called as ________(a) White lead(b) Black lead(c) White coal(d) Black coalThe question was posed to me during a job interview.My question is based upon Graphite topic in division Nano Materials of Applied Chemistry
Answer» Right answer is (b) BLACK lead The explanation: The GRAPHITE is also CALLED as black lead. It has ANOTHER name called as the plumbago. It is used in its massive mineral form.

Discussion

82.	The graphite is __________(a) Paramagnetic(b) Diamagnetic(c) Ferromagnetic(d) FerrimagneticI had been asked this question in an online interview.My question is based upon Graphite in portion Nano Materials of Applied Chemistry
Answer» Right OPTION is (B) Diamagnetic To explain: The graphite is diamagnetic. It will float in the MID air above the strong magnet. SOMETIMES graphite loses its lubricating properties.

Discussion

83.	Hollow tubes of very small dimensions are called as _____________(a) Mega tubes(b) Carbon nano tubes(c) Bucky ball clusters(d) PolymersThe question was posed to me in unit test.The question is from Fullerenes and their Properties topic in chapter Nano Materials of Applied Chemistry
Answer» RIGHT ANSWER is (b) Carbon nano tubes For explanation I would say: Hallow tubes of very small dimensions are called the carbon nano tubes having single or multiple WALLS. Potential applications are in electronic industry.

Discussion

84.	The buckminister fullerene is naturally occurring element found in ________(a) Earth(b) Soot(c) Smoke(d) FogI got this question in final exam.Origin of the question is Fullerenes and their Properties in section Nano Materials of Applied Chemistry
Answer» Right answer is (b) Soot Easiest EXPLANATION: Buckminister fullerene is the SMALLEST fullerene molecule CONTAINING PENTAGONAL and hexagonal rings. They are natural elements and found FIRST in soot.

Discussion

85.	Industrial catalysts should have _________ surface area.(a) High(b) Low(c) Moderate(d) NoI have been asked this question in examination.This intriguing question comes from Applications of Nano Materials topic in portion Nano Materials of Applied Chemistry
Answer» Correct option is (a) High To EXPLAIN I would say: Industrial catalysts should have the high surface AREA. They should ALSO have the capacity to ATTACH any material to their surface.

Discussion

86.	Metal nano particles particularly _____________ nano particles are prepared by the chemical reduction method.(a) Silver(b) Gold(c) Platinum(d) TungstenThe question was posed to me at a job interview.My question is based upon Sol-Gel Method and Chemical Reduction Method topic in portion Nano Materials of Applied Chemistry
Answer» The correct answer is (a) Silver The explanation is: Metal nano particles particularly silver nano particles are prepared by the CHEMICAL reduction METHOD. This method is ALSO belongs to BOTTOM up approach.

Discussion

87.	The nano tube may _________ without friction.(a) Slides(b) Overlaps(c) Under laps(d) CollidesI got this question in an interview for internship.My question is from Properties and Uses of CNT in portion Nano Materials of Applied Chemistry
Answer» The correct choice is (C) Under laps Explanation: The nano TUBES may slides without the friction and within its outer nano tube. This property is utilised to CREATE a smallest rational motor and GIGAHERTZ MECHANICAL oscillator.

Discussion

88.	The bond length of the C60 is ________(a) 1.1 A^o(b) 1.2 A^o(c) 1.3 A^o(d) 1.4 A^oThis question was posed to me by my school principal while I was bunking the class.I would like to ask this question from Fullerenes and their Properties in portion Nano Materials of Applied Chemistry
Answer» The correct option is (d) 1.4 A^o For EXPLANATION: The bond length of the buckminister fullerene is about 1.4 A^o. The SILICON bucky BALLS are CREATED around the metal IONS.

Discussion

89.	The vander-waals diameter of C60 is ________(a) 1.1nm(b) 1.2nm(c) 1.3nm(d) 1.4nmI got this question in an interview for internship.My question is based upon Fullerenes and their Properties in portion Nano Materials of Applied Chemistry
Answer» CORRECT OPTION is (a) 1.1nm Explanation: The vander-waals diameter of C60 is 1.1nm. There are twenty hexagons and TWELVE pentagons in the structure of the BUCKMINISTER FULLERENE.

Discussion

90.	Spherical fullerenes are otherwise called as ________(a) Bucky balls(b) Soccer balls(c) Cricket balls(d) Tennis ballsThe question was posed to me at a job interview.The above asked question is from Fullerenes and their Properties topic in portion Nano Materials of Applied Chemistry
Answer» RIGHT OPTION is (a) Bucky balls For explanation: Spherical FULLERENES are otherwise called as the bucky balls. They resemble to the balls used in soccer. They are SIMILAR in STRUCTURE to graphite.

Discussion

91.	The preferred opening angles of the nano cones are __________(a) 20, 30, 40(b) 20, 40, 60(c) 20, 40, 80(d) 20, 40, 50The question was asked by my school teacher while I was bunking the class.This is a very interesting question from Nano Wires and Nano Cones topic in portion Nano Materials of Applied Chemistry
Answer» Correct option is (B) 20, 40, 60 To explain I would SAY: The preferred opening ANGLES of the nano cones are 20, 40, and 60. The opening angles of the nano cones are generally not arbitrary. Those GIVEN angles are also approximate.

Discussion

92.	To remove the excess silver ions the solution is washed with _________ under nitrogen stream.(a) Heavy water(b) Mineral water(c) Deioniser water(d) Impure waterThe question was asked in my homework.My enquiry is from Sol-Gel Method and Chemical Reduction Method topic in division Nano Materials of Applied Chemistry
Answer» RIGHT option is (c) Deioniser water Best EXPLANATION: To REMOVE the excess silver ions the solution is washed with deioniser water under nitrogen STREAM. This process must be done three TIMES.

Discussion

93.	The sol-gel is a __________ of solid particle.(a) Sublimation(b) Melting(c) Colloidal suspension(d) Cool downI had been asked this question in quiz.I'd like to ask this question from Sol-Gel Method and Chemical Reduction Method in portion Nano Materials of Applied Chemistry
Answer» Right answer is (c) COLLOIDAL suspension To elaborate: The sol-gel process is a colloidal suspension of the solid PARTICLES. It is also called as the molecular suspension of solid particles of IONS in a SOLVENT.

Discussion

94.	Sol-gel method is ________ approach.(a) Bottom up(b) Up bottom(c) Top down(d) Down topThe question was asked in quiz.Enquiry is from Sol-Gel Method and Chemical Reduction Method in section Nano Materials of Applied Chemistry
Answer» The correct option is (a) BOTTOM up The best EXPLANATION: Sol-gel method is the bottom up approach for synthesis of nano materials. This process is mainly used to SYNTHESIZE the nano materials.

Discussion

95.	Annealing the homogeneous mixture to room temperature to retain its __________(a) Composition(b) Structure(c) Its properties(d) Composition, structure and its propertiesThis question was posed to me in a national level competition.My question is from Super Conductors topic in division Nano Materials of Applied Chemistry
Answer» Correct answer is (d) Composition, STRUCTURE and its properties The explanation is: Annealing the homogeneous MIXTURE to room TEMPERATURE to RETAIN its composition, structure and its properties. Heating them to obtain an oxygen deficient super conductors.

Discussion

96.	The hard super conductors are those in which the ideal behaviour is seen up to a ________ critical magnetic field.(a) Higher(b) Lower(c) Moderate(d) ZeroThe question was asked during an internship interview.I'm obligated to ask this question of Super Conductors topic in section Nano Materials of Applied Chemistry
Answer» Right choice is (B) Lower Explanation: The hard super conductors are those in which the ideal BEHAVIOUR is SEEN up to a lower critical magnetic field beyond which the MAGNETIZATION gradually changes and attains zero.

Discussion

97.	The optical properties of CNT are due to __________ of photoluminiscene.(a) Absorption(b) Emission(c) Consumption(d) CollisionThe question was posed to me in an online quiz.My question comes from Properties and Uses of CNT in division Nano Materials of Applied Chemistry
Answer» Right choice is (a) Absorption Explanation: The OPTICAL properties of CNT are due to the absorption of PHOTOLUMINISCENE and raman spectroscope which allows the quick and reliable characterization of this NANO TUBE quality in terms of non-tubular carbon content.

Discussion

98.	The current used in the arc discharge method is about _________(a) 100mA(b) 200mA(c) 300mA(d) 400mAI have been asked this question during an interview for a job.The query is from Carbon Nano Tubes topic in chapter Nano Materials of Applied Chemistry
Answer» Correct option is (a) 100mA The explanation is: The current USED in the ARC DISCHARGE method is about 100mA. By arc discharge of graphite ELECTRODES in presence of ionised gas to REACH high temperatures.

Discussion

99.	Standard single walled CNT withstands a pressure up to ______ without deformation.(a) 1Gpa(b) 2Gpa(c) 20Gpa(d) 25GpaI have been asked this question in a job interview.The above asked question is from Properties and Uses of CNT topic in chapter Nano Materials of Applied Chemistry
Answer» The correct CHOICE is (d) 25GPA To EXPLAIN: Standard single walled CNT withstands a pressure up to 25Gpa without deformation. It also POSSESS STRENGTH up to 100Gpa.

Discussion

100.	Chemical vapour decomposition is developed in an year ________(a) 2001(b) 2002(c) 2006(d) 2007I had been asked this question in an interview.My question is from Carbon Nano Tubes topic in chapter Nano Materials of Applied Chemistry
Answer» Correct option is (d) 2007 The explanation: Chemical vapour decomposition is developed in the YEAR 2007 at UNIVERSITY of CINCINNATI, USA. In this method the substrate is PREPARED with a layer of metal catalyst nano particles.

Discussion

Explore topic-wise InterviewSolutions in .

The chain, two dimensional and three dimensional polymers are formed under ______(a) Vacuum(b) High pressure(c) Low pressure(d) No pressureThis question was addressed to me during an online exam.Question is from Fullerenes and their Properties topic in portion Nano Materials of Applied Chemistry

The smallest bucky ball cluster is _________(a) C6(b) C8(c) C10(d) C20The question was posed to me in homework.I would like to ask this question from Fullerenes and their Properties topic in section Nano Materials of Applied Chemistry

Nano wires are also used as lasers.(a) False(b) TrueI got this question during an interview.My question is taken from Nano Wires and Nano Cones in chapter Nano Materials of Applied Chemistry

Nano cones are the predominant structures made with _________(a) Carbon(b) Nitrogen(c) Hydrogen(d) SiliconThis question was addressed to me in examination.Origin of the question is Nano Wires and Nano Cones topic in portion Nano Materials of Applied Chemistry

Nano wires are used in ________(a) Transistors(b) Resistors(c) Capacitors(d) TransducersThe question was asked in an interview.The origin of the question is Nano Wires and Nano Cones topic in portion Nano Materials of Applied Chemistry

The diameter of the nano wire is about __________(a) 10^-6m(b) 10^-3m(c) 10^-8m(d) 10^-9mThe question was asked in an online interview.Query is from Nano Wires and Nano Cones topic in chapter Nano Materials of Applied Chemistry

CNT can store _________(a) Nitrogen(b) Carbondioxide(c) Hydrogen(d) PeroxidesThis question was addressed to me during an interview.My question is based upon Properties and Uses of CNT topic in portion Nano Materials of Applied Chemistry

The gel is a ___________ mass.(a) Heavy molecular(b) Semi regid(c) Regid(d) Light molecularThis question was posed to me in exam.I'm obligated to ask this question of Sol-Gel Method and Chemical Reduction Method in division Nano Materials of Applied Chemistry

CNT is used to make ___________(a) Paper batteries(b) High voltage batteries(c) Car batteries(d) Clock batteriesThis question was addressed to me in a national level competition.This intriguing question originated from Properties and Uses of CNT topic in chapter Nano Materials of Applied Chemistry

The boron bucky balls are found in the year __________(a) 2001(b) 2002(c) 2003(d) 2007The question was posed to me by my college director while I was bunking the class.My question comes from Fullerenes and their Properties in section Nano Materials of Applied Chemistry

The structure of C60 is called as _______(a) Isohedron(b) Truncated isohedron(c) Trigonal(d) Trigonal bipyramidalThe question was asked in final exam.The query is from Fullerenes and their Properties in division Nano Materials of Applied Chemistry

By nano scale distribution of the _______ in matrix improves the life and performance.(a) Carbide(b) Tungsten(c) Hydrides(d) NitritesThis question was posed to me during an online interview.Query is from Applications of Nano Materials topic in division Nano Materials of Applied Chemistry

Sol-gel method is ________ chemical process.(a) Dry(b) Wet(c) Semi liquid(d) Semi solidI have been asked this question during an online interview.Question is taken from Sol-Gel Method and Chemical Reduction Method in section Nano Materials of Applied Chemistry

Most promising applications of the CNT is _________(a) Paper batteries(b) Solar cells(c) Space elevators(d) Stab proofThe question was asked in an internship interview.My question is taken from Properties and Uses of CNT topic in chapter Nano Materials of Applied Chemistry

Laser ablation method is developed by _______(a) Kelvin(b) Richard Smalley(c) Watson and crick(d) Neils bohrI had been asked this question during an interview.My doubt stems from Carbon Nano Tubes in section Nano Materials of Applied Chemistry

The yield of the laser ablation is ______________(a) 30%(b) 70%(c) 80%(d) 90%This question was addressed to me in final exam.This question is from Carbon Nano Tubes topic in portion Nano Materials of Applied Chemistry

___________ is exhibited by fullerenes.(a) Dual nature(b) Sp hybridization(c) Dehydrogenation(d) DehalogenationThe question was posed to me in exam.Asked question is from Fullerenes and their Properties topic in section Nano Materials of Applied Chemistry

Formation of an inorganic continuous network containing the metal centres with _________(a) Azo(b) Oxo(c) Nitro(d) HydroThis question was addressed to me in final exam.The question is from Sol-Gel Method and Chemical Reduction Method in section Nano Materials of Applied Chemistry

The constituents of this material that is yttrium, barium and copper are in ____________(a) 1:1:1(b) 1:2:2(c) 1:2:3(d) 1:2:1This question was posed to me at a job interview.The origin of the question is Super Conductors in section Nano Materials of Applied Chemistry

This functions as a super conductor at a critical temperature of ________(a) 30^oK(b) 60^oK(c) 90^oK(d) 120^oKI got this question in semester exam.Origin of the question is Super Conductors topic in section Nano Materials of Applied Chemistry

The normal metal passes into super conducting state at ___________(a) High temperature(b) Low temperature(c) Critical temperature(d) No temperatureI have been asked this question in an online interview.My question is from Super Conductors topic in chapter Nano Materials of Applied Chemistry

A spray of CNT mixture on ceramic coatings gives the ability to resist ________(a) Stains(b) Damage(c) Smoothness(d) ClearnessI have been asked this question in an interview.My question comes from Properties and Uses of CNT in portion Nano Materials of Applied Chemistry

Multi walled CNT are ________ concentric nano tubes.(a) Single(b) Double(c) Triple(d) MultipleI had been asked this question at a job interview.Asked question is from Properties and Uses of CNT topic in section Nano Materials of Applied Chemistry

Graphite is also called as ________(a) White lead(b) Black lead(c) White coal(d) Black coalThe question was posed to me during a job interview.My question is based upon Graphite topic in division Nano Materials of Applied Chemistry

The graphite is __________(a) Paramagnetic(b) Diamagnetic(c) Ferromagnetic(d) FerrimagneticI had been asked this question in an online interview.My question is based upon Graphite in portion Nano Materials of Applied Chemistry

Hollow tubes of very small dimensions are called as _____________(a) Mega tubes(b) Carbon nano tubes(c) Bucky ball clusters(d) PolymersThe question was posed to me in unit test.The question is from Fullerenes and their Properties topic in chapter Nano Materials of Applied Chemistry

The buckminister fullerene is naturally occurring element found in ________(a) Earth(b) Soot(c) Smoke(d) FogI got this question in final exam.Origin of the question is Fullerenes and their Properties in section Nano Materials of Applied Chemistry

Industrial catalysts should have _________ surface area.(a) High(b) Low(c) Moderate(d) NoI have been asked this question in examination.This intriguing question comes from Applications of Nano Materials topic in portion Nano Materials of Applied Chemistry

The nano tube may _________ without friction.(a) Slides(b) Overlaps(c) Under laps(d) CollidesI got this question in an interview for internship.My question is from Properties and Uses of CNT in portion Nano Materials of Applied Chemistry

The bond length of the C60 is ________(a) 1.1 A^o(b) 1.2 A^o(c) 1.3 A^o(d) 1.4 A^oThis question was posed to me by my school principal while I was bunking the class.I would like to ask this question from Fullerenes and their Properties in portion Nano Materials of Applied Chemistry

The vander-waals diameter of C60 is ________(a) 1.1nm(b) 1.2nm(c) 1.3nm(d) 1.4nmI got this question in an interview for internship.My question is based upon Fullerenes and their Properties in portion Nano Materials of Applied Chemistry

Spherical fullerenes are otherwise called as ________(a) Bucky balls(b) Soccer balls(c) Cricket balls(d) Tennis ballsThe question was posed to me at a job interview.The above asked question is from Fullerenes and their Properties topic in portion Nano Materials of Applied Chemistry

The sol-gel is a __________ of solid particle.(a) Sublimation(b) Melting(c) Colloidal suspension(d) Cool downI had been asked this question in quiz.I'd like to ask this question from Sol-Gel Method and Chemical Reduction Method in portion Nano Materials of Applied Chemistry

Sol-gel method is ________ approach.(a) Bottom up(b) Up bottom(c) Top down(d) Down topThe question was asked in quiz.Enquiry is from Sol-Gel Method and Chemical Reduction Method in section Nano Materials of Applied Chemistry

The optical properties of CNT are due to __________ of photoluminiscene.(a) Absorption(b) Emission(c) Consumption(d) CollisionThe question was posed to me in an online quiz.My question comes from Properties and Uses of CNT in division Nano Materials of Applied Chemistry

The current used in the arc discharge method is about _________(a) 100mA(b) 200mA(c) 300mA(d) 400mAI have been asked this question during an interview for a job.The query is from Carbon Nano Tubes topic in chapter Nano Materials of Applied Chemistry

Standard single walled CNT withstands a pressure up to ______ without deformation.(a) 1Gpa(b) 2Gpa(c) 20Gpa(d) 25GpaI have been asked this question in a job interview.The above asked question is from Properties and Uses of CNT topic in chapter Nano Materials of Applied Chemistry

Chemical vapour decomposition is developed in an year ________(a) 2001(b) 2002(c) 2006(d) 2007I had been asked this question in an interview.My question is from Carbon Nano Tubes topic in chapter Nano Materials of Applied Chemistry