Quiz on Chemistry Set 12

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Note: You can select only one option out of four option of each question.

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Quiz on Chemistry Set 12 :

Question 1 :

Ozone layer of atmosphere absorbs: 
A. Ultraviolet rays
B. Infra-red rays
C. All radiations of Light
D. Cosmic rays.

Correct Ans: Option A

Question 2 :

Air shows the property of
A. N2
B. O2
C. Both A and B
D. None of these

Correct Ans: Option C

Question 3 :

The most abundant constituent of atmospheric air is :
A. Carbon
B. Hydrogen
C. Oxygen
D. Nitrogen

Correct Ans: Option D

Question 4 :

The percentage of oxygen in air is approximately
A. 100%
B. 1%
C. 78%
D. 21%

Correct Ans: Option D

Question 5 :

The major constituent of air is
A. Nitrogen
B. Carbon dioxide
C. Oxygen
D. Hydrogen

Correct Ans: Option A

Question 6 :

Which one of the following is not a micro – nutrient ?
A. Molybdenum
B. Magnesium
C. Chloride
D. Manganese

Correct Ans: Option B

Question 7 :

Alloy steel containing chromium to resist rusting is known as
A. stainless steel
B. cast iron
C. wrought iron
D. hard steel

Correct Ans: Option A

Question 8 :

The existence of different isotopes of an element is due to the presence of a different number of _____ in the nucleus of their atoms
A. neutrons
B. electrons
C. photons
D. protons

Correct Ans: Option A

Question 9 :

The substance that cannot be used as an insecticide is
A. bleaching powder
B. malathion
C. DDT
D. gammexane

Correct Ans: Option A

Question 10 :

The radioactive element that occurs abundantly in India and can be used in place of uranium in nuclear power plants is
A. thorium
B. technetium
C. plutonium
D. cobalt-60

Correct Ans: Option A

Quiz Summary


Here the correct answers of every question in this quiz.

Q.1 [A],     Q.2 [C],     Q.3 [D],     Q.4 [D],     Q.5 [A],     Q.6 [B],     Q.7 [A],     Q.8 [A],     Q.9 [A],     Q.10 [A],    


Total Questions: 10
Your score:
Subject: Chemistry
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