Chapter 6: Environmental Chemistry I Atmosphere Chemistry Mcqs for High School - Grade 10 - Set 4

1)   Which of the following is true about carbon monoxide?

a. it is poisonous
b. it is insoluble in water
c. it is not an air pollutant
d. it cannot cause death
Answer  Explanation 

ANSWER: it is poisonous

Explanation:
No explanation is available for this question!


2)   Which of the following is not true about sulfur dioxide?

a. it is colorless
b. it is odourless
c. it is an air pollutant
d. it causes breathing difficulties
Answer  Explanation 

ANSWER: it is odourless

Explanation:
No explanation is available for this question!


3)   Which of the following is not true about nitrogen dioxide?

a. it is reddish brown
b. it has pungent odor
c. it is insoluble in water
d. it is toxic
Answer  Explanation 

ANSWER: it is insoluble in water

Explanation:
No explanation is available for this question!


4)   An allotropic form of oxygen comprising three oxygen atoms is called

a. ozone
b. oxidation
c. oxidizing agent
d. reducing agent
Answer  Explanation 

ANSWER: ozone

Explanation:
No explanation is available for this question!


5)   Which of the following is true about incineration?

a. it consumes all combustible materials
b. it is a clean process
c. it does not produce air pollution
d. it does not generate odor
Answer  Explanation 

ANSWER: it consumes all combustible materials

Explanation:
No explanation is available for this question!


6)   Formation of most of the clouds is in

a. troposphere
b. stratosphere
c. mesosphere
d. thermosphere
Answer  Explanation 

ANSWER: troposphere

Explanation:
No explanation is available for this question!


7)   Height of stratosphere is

a. 0-12 Km
b. 12-50 Km
c. 50-80 Km
d. above 80 Km
Answer  Explanation 

ANSWER: 12-50 Km

Explanation:
No explanation is available for this question!


8)   Which of the following is the second layer of atmosphere as one moves upwards from the Earth's surface?

a. troposphere
b. stratosphere
c. mesosphere
d. thermosphere
Answer  Explanation 

ANSWER: stratosphere

Explanation:
No explanation is available for this question!


9)   What is meant by the term 'tropo'?

a. top
b. first
c. high
d. turning
Answer  Explanation 

ANSWER: turning

Explanation:
No explanation is available for this question!


10)   Ozone formation and destruction are powered by

a. oxygen gas
b. atomic oxygen
c. ultraviolet radiation
d. chlorine gas
Answer  Explanation 

ANSWER: ultraviolet radiation

Explanation:
No explanation is available for this question!