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Chemistry

Showing 41-50 of 50 results

1. Which of the following is called king of chemicals?

(A) Oxygen
(B) Sulphuricacid
(C) Diamond
(D) Hydrochloric acid
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2. The characteristic odour of garlic is due to?

(A) a chloro compound
(B) a sulphur compound
(C) a fluorine compound
(D) acetic acid
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3. Most soluble in water is

(A) camphor
(B) Sugar
(C) Sulphur
(D) Common salt

4. A gas that cannot be collected over water is

(A) nitrogen
(B) Oxygen
(C) Sulphur dioxide
(D) None of these
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5. The element which is both very hard and soft is

(A) tin
(B) carbon
(C) sulphur
(D) Phosphorous

6. Rubber is coagulated from latex by adding

(A) hydrochloric acid
(B) Formic acid
(C) sulphuric acid
(D) carbonic acid
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7. Which is the only non metal that is a good conductor of electricity

(A) graphite
(B) phosphorous
(C) sulphur
(D) hydrogen
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8. Bucky ball or buckminister fullerene is

(A) An allotrope of carbon
(B) an allotrope of oxygen
(C) an allotrope of sulphur
(D) None of these
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9. The gas predominantly responsible for global warming is?

(A) Carbon Monoxide
(B) Carbon di Oxide
(C) Sulphur di Oxide
(D) Nitrous Oxide
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10. What is oil of vitriol?

(A) Sodium Chloride
(B) Nitric Acid
(C) Sulphuric Acid
(D) Hydrochloric Acid
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