General Science Chemistry MCQs

Chemistry Objective (Multiple Choice) General Knowledge Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examination

81. Chewing gum is made from which of the following?

[A] Resin
[B] Polystyrene
[C] Polyvinyl acetate
[D] Latex

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82. Which of the following is not a primary fuel?

[A] Natural Gas
[B] Wood
[C] Kerosene
[D] Coal

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83. What is the main constituent of coal gas?

[A] Oxygen
[B] Water
[C] Nitrogen
[D] Methane

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84. Which among the following metals is used for galvanization?

[A] Zinc
[B] Copper
[C] Silver
[D] Iron

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85. Which of the following soils have high content of aluminum and iron oxide?

[A] meadow soil
[B] podzol soil
[C] chernozen soil
[D] pedalfer soil

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86. Which of the following is an ore of Aluminium?

[A] Galena
[B] Cryollite
[C] Epsom Salt
[D] Cinnabar

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87. Which among the following is not an example of emulsion?

[A] Butter
[B] Chocolate-Milk
[C] Curd
[D] Whipped Cream

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88. Which of the following is not an example of Allotrope?

[A] Steel
[B] Graphite
[C] Diamond
[D] Charcoal

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89. What is the common characteristic of the elements of the same group in the periodic table?

[A] Total number of electrons
[B] Total number of protons
[C] Electrons in outer most shell
[D] Atomic weight

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90. What is the process of conversion of solid state directly to gaseous state called?

[A] Distillation
[B] Condensation
[C] Sublimation
[D] Evaporation

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