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

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

Question # 2

Normally rain water is weakly acidic becasue of.

Question # 3

Global warming is because of

Question # 4

The Earth's atmosphere is getting hotter beacuse of.

Question # 5

The pH of normal rain water is.

Question # 6

Which gas is produced by the elecrical lightning in air.

Question # 7

The percentage by volume of nitrogen in dry air is.

Question # 8

Buildings are being damaged by acid rain because it attcks.

Question # 9

How many tons of ice have lost since 1990?

Question # 10

Whcih factor deermines the severity of a pollutant.

Question # 11

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

Question # 12

Which is not a poisonous gas.

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

Sr.# Question Answer
1 How many tons of ice melts every year?
A. 0.2 trillion
B. 3.2 trillion
C. 1.2 trillion
D. 2.2 trillion
2 Which gas is also known as life gas for plants.
A. CO
B. O2
C. CO2
D. NO2
3 The percentage by volume of nitrogen in dry air is.
A. 0.93%
B. 0.03%
C. 78%
D. 20.94%
4 Buildings are being damaged by acid rain because it attcks.
A. Calcium sulphate
B. Calcium carbonate
C. Calcium oxalate
D. Calcium nitrate
5 Which gases contribute towards the formation of acid rain.
A. Oxides of Both the oxides of nitrogen and sulfur
B. Oxides of carbon
C. Oxides of sulphur
D. Oxides of nitrogen
6 Global warming causes rising of the sea level. The cause of global warming is.
A. SO2 gas
B. O3 gas
C. NO3 gas
D. CO2 gas
7 Which substance remains unafaffected in the catalytic conerer fixed int he exhaust of the atutomobiles.
A. NO2
B. NO
C. CO2
D. CO
8 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
9 Which gas is atmosphere acts as a glass wall of a green house.
A. Carbon Di Oxide
B. Oxygen
C. Hydrogen
D. Sulphur Di Oxide
10 % age of oxygen gas by volume in dry air is
A. 21%
B. 90%
C. 40%
D. 30%

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