General Knowledge

Knowledge is Power

27 Jul 2017

Chemistry Quiz - Objective Questions and Answers for Competitive Exams 2017


1. The atomic nucleus was discovered by -

[A] Rutherford 
[B] Dalton 
[C] Einstein 
[D] Thompson
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2. Which of the following is responsible for acid rain ?

[A] Nitrogen oxide and Carbon dioxide
[B] Nitrogen oxide and Carbon monoxide
[C] Sulphur dioxide and Nitrogen oxiede
[D] None of the above
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3. By which of the following can petrol fire be extinguished ?

[A] Sand
[B] Water
[C] Carbon dioxide
[D] Saw dust
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4. In view of environmental Problems, the use of which insecticide has been reduced ?

[A] Gammexane
[B] D.D.T.
[C] B.H.C.
[D] D.M.T.
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5. The main constituent of biogas is -

[A] Hydrogen
[B] Methane
[C] Butane
[D] Acetylene
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6. Ink is prepared from -

[A] Dye
[B] Tannin
[C] Starch
[D] Latex
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7. CaC2 on treatment with water gives -

[A] Methane
[B] Ethane
[C] Ethylene
[D] Acetylene
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8. Vinegar, very commonly used in Chinese food is actually -

[A] Ethyl alcohol
[B] Folic Acid
[C] Acetic Acid
[D] Nitric Acid
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9. Formic acid is a large component of -

[A] Citrus Fruit
[B] Ant Venom
[C] Vinegar
[D] Spirit
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10. Calcium is a constituent element of -

[A] Marble
[B] Silicon
[C] Dry Ice
[D] Cooking Soda
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