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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
A single substance that exists in two or more forms is calledA. polymorphousB. amorphousC. isomorphousD. monomorphous |
| Answer» Correct Answer - A | |
| 52. |
The correct sequence of the atomic layers in cubic close packing isA. ABABAB. ABACABACC. ABCABCD. AABBAABB |
| Answer» Correct Answer - A::B::C | |
| 53. |
The volume of atoms present in body centred cubic unit cell of a metal of atomic radius r is,A. `(16)/(3)pi r^(3)`B. `(8)/(3) pi r^(3)`C. `(12)/(3)pi r^(3)`D. `(24)/( 3) pi r^(3)`. |
| Answer» Correct Answer - B::C | |
| 54. |
If r is the radius of an atom in face-centred cubic unit cell of edge length a thenA. `r=(a)/(2sqrt(2))`B. `r=(4)/(sqrt(3))a`C. `r=2sqrt(2)a`D. `r=sqrt((3)/(4))a` |
| Answer» Correct Answer - A::B | |
| 55. |
The osmotic pressure of 0.2 M KCl solution at 310 K isA. 10.17 atmB. 5.084 atmC. 8.36 atmD. 12.2 atm |
| Answer» Correct Answer - A | |
| 56. |
Which of the following amines cannot be prepared by Gabriel phthalimide synthesis ?A. sec-PropylamineB. tert-ButylamineC. 2-PhenylethylamineD. N-Methyl benzyl amine |
| Answer» Correct Answer - A::B::D | |
| 57. |
Which of the following is a regenerated fibre?A. Nylon-6B. TeryleneC. Nylon-66D. Acetate rayon |
| Answer» Correct Answer - A::C::D | |
| 58. |
Which of the following is polyamide ?A. TeflonB. Nylon-6,6C. TeryleneD. Bakelite |
| Answer» Correct Answer - B | |
| 59. |
Terylene is aA. vegetable fibreB. protein fibreC. polyester fibreD. polyamide fibre |
| Answer» Correct Answer - B::C | |
| 60. |
Which of the following is a copolymer ?A. OrlonB. TeflonC. PVCD. PHBV |
| Answer» Correct Answer - B::D | |
| 61. |
Nylon thread contains the polymerA. polyamideB. polyvinylC. PolyesterD. Polyethylene |
| Answer» Correct Answer - A::D | |
| 62. |
Natural rubber is a polymer ofA. StyreneB. ButadieneC. Vinyl chlorideD. Isoprene |
| Answer» Correct Answer - D | |
| 63. |
Which one is the natural polyamide polymer ?A. Cuprammonium silkB. WoolC. Perlon-LD. Jute |
| Answer» Correct Answer - B | |
| 64. |
Thermosetting polymer isA. Nylon-6B. Nylon-6,6C. BakeliteD. SBR |
| Answer» Correct Answer - A::B::C | |
| 65. |
Which one of the following is an addition polymer ?A. BakeliteB. Nylon-6,6C. PolystyreneD. Terylene |
| Answer» Correct Answer - C | |
| 66. |
The number of asymmetric carbon atom in glucose areA. 2B. 3C. 4D. 5 |
| Answer» Correct Answer - C::D | |
| 67. |
The lowest stability of carbocation among the compoundsA. B. C. D. |
| Answer» Correct Answer - A::B::C | |
| 68. |
Night blindness is due to the deficiency ofA. vitamin AB. vitamin BC. vitamin CD. vitamin D |
| Answer» Correct Answer - A | |
| 69. |
Secondary nitroalkanes react with nitrious acid to formA. red solutionB. blue solutionC. green solutionD. yellow solution |
| Answer» Correct Answer - B | |
| 70. |
Acetoxime on catalytic reduction givesA. Acetic acidB. acetic anhydrideC. ethylamineD. isopropylamine |
| Answer» Correct Answer - A::D | |
| 71. |
The ores that are concentrated by floatation method are :A. CarbonatesB. SulphidesC. OxidesD. Phosphates |
| Answer» Correct Answer - B::D | |
| 72. |
Which of the following carbonyl compounds undergoes self redox reaction in presence of concentrated base ?A. 3-MethylpentanalB. 2-ChlorobutanalC. 2,2-DimethylpropanalD. tert-Butyl methyl ketone |
| Answer» Correct Answer - A::B::C::D | |
| 73. |
Which of the following carbonyl compounds undergoes aldol condensation ?A. BenzaldehydeB. BenzophenoneC. AcetophenoneD. tert-Butyl phenyl ketone |
| Answer» Correct Answer - A::C | |
| 74. |
Insulin is a/anA. hormoneB. antibioticC. antisepticD. vitamin |
| Answer» Correct Answer - A | |
| 75. |
Which one of the following is a condensation polymer ?A. NylonB. PolytheneC. PVCD. Teflon |
| Answer» Correct Answer - A | |
| 76. |
In metabolic process the maximum energy is given byA. carbohydratesB. proteinsC. vitaminsD. fats |
| Answer» Correct Answer - A::D | |
| 77. |
Stachyose isA. monosaccharidesB. disaccharidesC. trisaccharidesD. tetrasaccharides |
| Answer» Correct Answer - A::C::D | |
| 78. |
Which mixture is used for respiration by deep sea divers?A. `He+O_(2)`B. `Ne+O_(2)`C. `Ar+O_(2)`D. `Kr+O_(2)` |
| Answer» Correct Answer - A::B | |
| 79. |
Chromyl chloride test is forA. chloride saltB. nitrate saltC. thiosulphate saltD. sulphate salt |
| Answer» Correct Answer - A::C::D | |
| 80. |
Constituents of dettol areA. terpineol and chloroxylenolB. chloroamphenicol and terpineolC. phenol and chloroxylenolD. novestrol and equanil |
| Answer» Correct Answer - A::C::D | |
| 81. |
The electronic configuration of Lanthanum isA. `[Kr]4f^(1)5s^(2)`B. `[Xe]5d^(1)6s^(2)`C. `[Xe]4f^(1)5d^(1)6s^(2)`D. `[Rn]5f^(1)6d^(1)7s^(2)` |
| Answer» Correct Answer - A::B::D | |
| 82. |
The properties of Zr and Hf are similar becauseA. both have same atomic radiiB. both belong to d-blockC. both belong to same seriesD. both have same number of electrons |
| Answer» Correct Answer - A::B::C::D | |
| 83. |
The boiling point of water at high altitude is low, becauseA. the temperature is lowB. the atmospheric pressure is lowC. the temperature is highD. the atmospheric pressure is high |
| Answer» Correct Answer - A::B::C | |
| 84. |
The units of `K_(b)` areA. `K mol^(-1)kg^(-1)`B. `K kg^(-1)`molC. K Kg `mol^(-1)`D. `Kg mol^(-1)` |
| Answer» Correct Answer - A::C | |
| 85. |
0.05 m urea solution will have freezing point (`K_(f)` = 1.86 K kg `"mol"^(-1)` )A. 273.093 KB. 273.186 KC. 272.907 KD. 272.814 K |
| Answer» Correct Answer - B::C | |
| 86. |
The oxidation state of sulphur in peroxy disulphuric acid isA. `+2`B. `+3`C. `+4`D. `+6` |
| Answer» Correct Answer - D | |
| 87. |
The effciency of the hydrogen-oxygen fuel cell is aboutA. 0.2B. 0.4C. 0.7D. 0.9 |
| Answer» Correct Answer - C | |
| 88. |
Which of the following solutions shows maximum depression in freezing point?A. 0.5 M `Li_(2)SO_(4)`B. 2M NaClC. 0.5 M `Al_(2)(SO_(4))_(3)`D. 0.5 M `BaCl_(2)` |
| Answer» Correct Answer - A::B::C::D | |
| 89. |
Oxygen molecule shows:A. ParamagnetismB. DimagnetismC. Ferro magnetismD. Ferri magnetism |
| Answer» Correct Answer - A | |
| 90. |
The structure of `IF_(7)` isA. TetrahedralB. OctahedralC. Trigonal bipyramidalD. Pentagonal bipyramidal |
| Answer» Correct Answer - A::B::D | |
| 91. |
In the reaction `a+3B rarr 2C`, the rate of formation of C isA. the same as rate of consumption of AB. the same as the rate of consumption of BC. twice the rate of consumption of AD. 3/2 times the rate of consumption of B |
| Answer» Correct Answer - A::C | |
| 92. |
If for a reaction `Delta H` is negative and `Delta S` is positive then the reaction isA. spontaneous at all temperaturesB. non-spontaneous at all temperaturesC. spontaneous only at high temperaturesD. spontaneous only at low temperature |
| Answer» Correct Answer - A::B::C::D | |
| 93. |
For which reaction `Delta H = Delta U` ?A. `H_(2(g))+1/2 O_(2(g))rarrH_(2)O_((1))`B. `C_(6)H_(12)O_(6(s))+6O_(2(g))rarr6CO_(2(g))+6H_(2)O_((1))`C. `MgCO_(3(s))rarrMgO_((s))+CO_(2(g))`D. `CO_(2(g))+C_((s))rarr2CO_((g))` |
| Answer» Correct Answer - A::B::C | |
| 94. |
Which of the following is an intensive property ?A. EntropyB. WeightC. Refractive indexD. Volume |
| Answer» Correct Answer - A::C::D | |
| 95. |
The compound having general formula is calledA. diesterB. acid anhydrideC. hemiacetalD. acetal |
| Answer» Correct Answer - A::C::D | |
| 96. |
Formalin is 40% aqueous solution ofA. MethanalB. Methanoic acidC. MethanolD. Methanamine |
| Answer» Correct Answer - A | |
| 97. |
The packing fraction for a body-centred cube isA. 0.42B. `0.53`C. `0.68`D. `0.82` |
| Answer» Correct Answer - C | |
| 98. |
In Nernst equation, the constant 0.0592 at 298 K represents the value ofA. `(RT)/(nF)`B. `(RT)/(F)`C. `(2.303 RT)/(nF)`D. `(2.303RT)/(F)` |
|
Answer» Correct option is: (D) \(\frac{2.303 \ RT}{F}\) According to Nernst equation E = \(E_0 - \frac {RT}{nF}\) ln Q or E = \(E_0 - \frac {8.314 \times 298 \times 2.303}{n\times 96500}\) log Q. E = \(E_0 - \frac {0.0592}{n}\) log Q. Therefore, \(\frac{2.303 \ RT}{F}\) = 0.0592 Correct Answer - B::C::D |
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| 99. |
The example of aldopentose isA. arabinoseB. glucoseC. fructoseD. sucrose |
| Answer» Correct Answer - A::B | |
| 100. |
Milk sugar isA. sucroseB. lactoseC. maltoseD. glucose |
| Answer» Correct Answer - A::B::C | |