Chemistry in English Quiz 2

Chemistry in English Quiz 2 has 10 questions. For correct answer you will get 3 marks & for wrong answer -1 (minus 1) mark. After submitting Answer sheet, you can check right and wrong answers as well as your total marks.

All the Best !!

1.Isobars have _______.

A.Same mass numbers but different atomic numbers

B.Different mass numbers but same atomic numbers

C.Same mass and atomic numbers

D.Different mass and atomic numbers

2.The pH of a neutral solution is

A.0

B.1

C.7

D.9

3.Name the gas present abundantly in the atmosphere?

A.Carbon-di-oxide

B.Oxygen

C.Nitrogen

D.Hydrogen

4.Which rays cause skin damage?

A.XRays

B.UV Rays

C.Infrared rays

D.Yellow Rays

5.Which among the following is false about natural rubber?

A.It is an elastomer

B.It is a monomer of cis-isoprene

C.Natural rubber is a polymer of chloroprene

D.It is heated with sulphur compounds to improve its properties

6.Which substance is obtained by the hydrolysis of oil ?

A.Glycol

B.Glycerol

C.Ethanol

D.Acetic acid

7.The most abundantly found metal in the human body is

A.Iron

B.Sodium

C.Calcium

D.Magnesium

8.When iron rusts, its weight …..

A.decreases

B.increases

C.remains the same

D.first increases and then decreases

9.Which of the following gas contributes the maximum to the phenomena of global warming?

A.Methane

B.Chlorofluorocarbon

C.Nitrogen dioxide

D.Carbon dioxide

10.In gobar gas plant, which one of the following gases released ?

A.Hydrogen

B.Oxygen

C.Methane

D.Hydrogen suiphite

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