9th Class Chemistry Chapter 10 English Medium Online MCQ Test With Answer

Practice 9th Class Chemistry Chapter 10 “Environmental Chemistry” online with this MCQ test. This chapter focuses on the impact of chemicals on the environment, including pollution, green chemistry, and sustainable practices. Students will learn about air, water, and soil pollution, their causes, effects, and preventive measures. By attempting these multiple-choice questions, learners can strengthen their understanding of environmental issues, chemical reactions affecting nature, and ways to reduce pollution. Each question comes with a correct answer to help students assess their knowledge and improve weak areas. Online practice enhances learning and ensures better preparation for exams.

MCQ's Test For Chapter 10 "Environmental Chemistry"

Try The MCQ's Test For Chapter 10 "Environmental Chemistry"

  • Total Questions12

  • Time Allowed15

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Environmental Chemistry

00:00
Question # 1

How many trees are cut down to make toliet paper every day.

Question # 2

Which one of these pollutants are not found in car exhaust fumes.

Question # 3

Which type of pollutants are responsible for changing weather.

Question # 4

Higher concentration of CO causes

Question # 5

Whcih gas is emitted due to volcanic eruption.

Question # 6

Which one of the following is not a green house effect?

Question # 7

Which catalyst is used in the catalytic converter fixed in teh exhaust systems of automobiles.

Question # 8

The envelope of differente gases around the Earth is called.

Question # 9

% age of oxygen gas by volume in dry air is

Question # 10

Normally rain water is weakly acidic becasue of.

Question # 11

Catalytic converters convert.

Question # 12

Increased concentration of CO2 in air results.

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9th Class (English Medium) Chemistry (New Book) Chapter 10 Important MCQ's

Sr.# Question Answer
1 Higher concentration of CO causes
A. Fatigue
B. Headache
C. Breathign difficulties
D. All of these
2 99% of atmosphere consists of
A. O2 and CO2
B. N2 and H2
C. N2 and O2
D. N2 and CO2
3 How many % of marine mammals are at the risk of chokig on plastic.
A. 78%
B. 21%
C. 0.03%
D. 99%
4 Buildings are being damaged by acid rain because it attcks.
A. Calcium sulphate
B. Calcium carbonate
C. Calcium oxalate
D. Calcium nitrate
5 How many tons of ice have lost since 1990?
A. 28 trillion
B. 10 trillion
C. 18 trillion
D. 8 trillion
6 In which area there is a greater possibility of acid rain.
A. Around water bodies
B. Around industrial area
C. Around big cities
D. Around village
7 People of which age groups are most affected by the air pollution .
A. Children
B. Young Adults
C. Cancer patient
D. Both children and aged people
8 Concentration of which gas in the atmosphere is decreased by photosynthesis in plants.
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Water vapours
9 Which one of these pollutants are not found in car exhaust fumes.
A. NO2
B. SO2
C. CO
D. O3
10 The pereceangage of SO2 released by the combustion of coal and petroleum products is.
A. 40%
B. 80%
C. 60%
D. 70%

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