52671 + Interview Questions in Chemistry in Class 11 Page 1045 InterviewSolution

52201.	................... is used to study the movements of ground water.
Answer» SOLUTION :DEUTERIUM

Discussion

52202.	............. Is used in tratment of cancer.
Answer» Paracctamol Taxol Aspirine Peniciline ANSWER :A::B

Discussion

52203.	………………. is used in the treatment of typhoid.
Answer» SOLUTION :CHLORAMPHENICOL

Discussion

52204.	………………… is used in the treatment of malaria.
Answer» SOLUTION :CHLOROQUINE

Discussion

52205.	________ is usedin themanufactureof softsoap .
Answer» `BA(OH)_2` `Na_(2)CO_(3)` `LIOH` `KOH` Answer :D

Discussion

52206.	_______ is used in fire extinguishers
Answer» SOLUTION :BAKING SODA

Discussion

52207.	_______ is used in dehydrating oils
Answer» SOLUTION :CALCIUM

Discussion

52208.	…….. is used for making moulds for making coins.
Answer» SIC `CaC_2` `Be_4C` WC Answer :D

Discussion

52209.	................ is used for hydrogen storage applications.
Answer» SOLUTION : INTERSTITIAL HYDRIDES

Discussion

52210.	…………………. is used for extinguishing the fire caused by oil or petrol under the commercialname pyrene.
Answer» SOLUTION :TETRACHLOROMETHANE

Discussion

52211.	………………. is used for cleaning electronic equipments.
Answer» SOLUTION :TRICHLOROETHYLENE

Discussion

52212.	................ is used for bleaching clothes in laundry.
Answer» SOLUTION :`H_(2)O_(2)`

Discussion

52213.	………………… is used by deep-sea divers.
Answer» SOLUTION :HELIUM NITROGEN and OXYGEN

Discussion

52214.	….. is used as moderator in nuclear reactor.
Answer» `H_2O` `H_2O_2` `D_2O` `NH_3` ANSWER :C

Discussion

52215.	________ is used as radiation windows for X-ray tubes
Answer» SOLUTION :BERYLLIUM

Discussion

52216.	______ isusedasmildabrasivein toothpaste.
Answer» `CAO` `Ca(OH)_(2)` `CaCO_(3)` `CaCl_(2)` Answer :C

Discussion

52217.	......... is used as fire extinguisher.
Answer» `Na_(2)CO_(3)` `NaHCO_(3)` NaOH `KHCO_(3)` ANSWER :B

Discussion

52218.	"_________________" is used as an oxidizing agent to bleach dark hair by a redox reaction.
Answer» `H_(2)O` `HO_(2)` `H_(2)O_(2)` `HO^(-)` ANSWER :C

Discussion

52219.	…………………. is used as an antiseptic.
Answer» SOLUTION :LODOFORM

Discussion

52220.	………………. is used as an anesthetic.
Answer» SOLUTION :HALOTHANE

Discussion

52221.	_______ isusedas asourceof oxygeninsubmarine, spaceshuttlesand inemergency breathing apparatus .
Answer» Sodiumoxide Potassium SODIUMSULPHATE Potassiumsuperoxide Answer :D

Discussion

52222.	________ isusedas a reducingagentin theextractionof Band Si.
Answer» Potassium Calcium SODIUM Lithium Answer :C

Discussion

52223.	________ is used as a coolant in fast breeder nuclear reactor
Answer» SOLUTION :LIQUID NA METAL

Discussion

52224.	___________ is unstable in air and is kept in CO_2 atmosphere to avoid decomposition.
Answer» `BeCO_3` `MgCO_3` `CaCO_3` `BaCO_3` ANSWER :A

Discussion

52225.	............. is true relation for concentration. [A : Acidity]
Answer» ` M = N XX A` `N = M xx A` `M/N = A` `N - M = A` SOLUTION :`N=("weight of SOLUTE (gm)")/("equivalent wt. of solute" xx "vol. of sol. (lit)")` `N=("weight of solute (gm)"xx A)/("MOLECULAR wt." xx "VOLUME of sol.(lit)")=M xx A`

Discussion

52226.	............. is the type of matter based on physical state of matter.
Answer» ELEMENT Gas Compound Mixture Answer :A::B

Discussion

52227.	..... is the relative proportion of tritium and protium ?
Answer» SOLUTION :`1:10^18`

Discussion

52228.	…. Is the name of C_(6)H_(4)Br_(2)
Answer» SOLUTION :DIBROMOBENZENE

Discussion

52229.	....... is the most safest pesticide.
Answer» SOLUTION :NEEM BASED PESTICIDE

Discussion

52230.	.................. is the most abundant 90% of all atoms.
Answer» Lithium HYDROGEN Oxygen Silicon Solution :Hydrogen

Discussion

52231.	__________ is the main energy currency in hydrogen economy.
Answer» ELECTRICITY Water Dihydrogen GAS DIOXYGEN gas ANSWER :C

Discussion

52232.	....... is the lowest layer of atmosphere.
Answer» SOLUTION :TROPOSPHERE

Discussion

52233.	__________ is the gas constant.
Answer» a Ve R Te Answer :C

Discussion

52234.	___________ is the cofactor of all enzymes that utilize ATP in phosphate transfer and energy release.
Answer» Be Mg Ca Ba Answer :B

Discussion

52235.	____ is strength in %W/V of 40 volume containing H_2O_2 solution.
Answer» SOLUTION :`{:(2H_2O_2 to , 2H_2O+ O_2),("68gm","volume at 1 MOL STP =22.4 litre"):}` 1 mol `O_2` at STP = 1 mol `H_2O_2` `therefore` 22.4 litre `O_2` from 68 gm of `H_2O_2` `therefore` 40 litre `O_2` x gm `therefore 22.4/40 = 68/x` `therefore x=(68xx40)/22.4`=121.42 gm/L `H_2O_2` `therefore H_2O_2` %W/V = `121.42/10`=12.14

Discussion

52236.	...... is responsible for the deficiency of fluoride.
Answer» SOLUTION :TOOTH DECAY

Discussion

52237.	"………….." is producedby action of conc. H_(2)SO_(4) on potassium ferrocyanide.
Answer» ANSWER :`CO`

Discussion

52238.	_________ is present as an impurity in dihydrogen.
Answer» OXIDES of NITROGEN OXYGEN Helium Carbon monoxide Answer :A::D

Discussion

52239.	…….. is obtained during hydrolysis of SiCL_4
Answer» SILICIC acid SILICON trioxide Sillcones Silicon dioxide Answer :A

Discussion

52240.	............ is not a unit of density.
Answer» `kgm^(-3)` `G cm^(-3)` `mg cm^(-3)` `(mg)/(cm^(-3))` ANSWER :D

Discussion

52241.	Which of the following is not a colligative property ?
Answer» SOLUTION :VAPOUR PRESSURE

Discussion

52242.	.......... is net state function.
Answer» Work Enthalpy Internal energy Entropy Answer :A

Discussion

52243.	How is bleaching powder prepared ?
Answer» SOLUTION :`CA(OCI)_(2)`

Discussion

52244.	_______ is named as bleaching powder.
Answer» SOLUTION :`CA(OCI)_(2)`

Discussion

52245.	........... is made up of same kind of atoms.
Answer» ELEMENT COMPOUND Mixture All of above Answer :A

Discussion

52246.	Which is known as a natural insulator?
Answer» SOLUTION :`CaSO_(4).2H_(2)O`

Discussion

52247.	.............. is known as Hydrogen sponge.
Answer» SOLUTION :PALLADIUM HYDRIDE

Discussion

52248.	……………… is important in some vital biological systems.
Answer» SOLUTION :OSMOTIC PRESSURE

Discussion

52249.	....... is formed by attaching carbon monoxide with hemoglobin in blood.
Answer» SOLUTION :Carboxy HEMOGLOBIN COMPLEX

Discussion

52250.	.......... is extensive property.
Answer» MASS VOLUME `("mass")/( "volume")` Enthalpy Answer :C

Discussion

Explore topic-wise InterviewSolutions in .

................... is used to study the movements of ground water.

............. Is used in tratment of cancer.

………………. is used in the treatment of typhoid.

………………… is used in the treatment of malaria.

________ is usedin themanufactureof softsoap .

_______ is used in fire extinguishers

_______ is used in dehydrating oils

…….. is used for making moulds for making coins.

................ is used for hydrogen storage applications.

…………………. is used for extinguishing the fire caused by oil or petrol under the commercialname pyrene.

………………. is used for cleaning electronic equipments.

................ is used for bleaching clothes in laundry.

………………… is used by deep-sea divers.

….. is used as moderator in nuclear reactor.

________ is used as radiation windows for X-ray tubes

______ isusedasmildabrasivein toothpaste.

......... is used as fire extinguisher.

"_________________" is used as an oxidizing agent to bleach dark hair by a redox reaction.

…………………. is used as an antiseptic.

………………. is used as an anesthetic.

_______ isusedas asourceof oxygeninsubmarine, spaceshuttlesand inemergency breathing apparatus .

________ isusedas a reducingagentin theextractionof Band Si.

________ is used as a coolant in fast breeder nuclear reactor

___________ is unstable in air and is kept in CO_2 atmosphere to avoid decomposition.

............. is true relation for concentration. [A : Acidity]

............. is the type of matter based on physical state of matter.

..... is the relative proportion of tritium and protium ?

…. Is the name of C_(6)H_(4)Br_(2)

....... is the most safest pesticide.

.................. is the most abundant 90% of all atoms.

__________ is the main energy currency in hydrogen economy.

....... is the lowest layer of atmosphere.

__________ is the gas constant.

___________ is the cofactor of all enzymes that utilize ATP in phosphate transfer and energy release.

____ is strength in %W/V of 40 volume containing H_2O_2 solution.

...... is responsible for the deficiency of fluoride.

"………….." is producedby action of conc. H_(2)SO_(4) on potassium ferrocyanide.

_________ is present as an impurity in dihydrogen.

…….. is obtained during hydrolysis of SiCL_4

............ is not a unit of density.

Which of the following is not a colligative property ?

.......... is net state function.

How is bleaching powder prepared ?

_______ is named as bleaching powder.

........... is made up of same kind of atoms.

Which is known as a natural insulator?

.............. is known as Hydrogen sponge.

……………… is important in some vital biological systems.

....... is formed by attaching carbon monoxide with hemoglobin in blood.

.......... is extensive property.