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

Buildings are being damaged by acid rain because it attcks.

Question # 3

How many tons of ice melts every year?

Question # 4

The Earth's atmosphere is getting hotter beacuse of.

Question # 5

How many percentage of all available water use by humans.

Question # 6

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

Question # 7

Global warming is because of

Question # 8

The envelope of differente gases around the Earth is called.

Question # 9

Increased concentration of CO2 in air results.

Question # 10

Which of the following is a poisonous gas.

Question # 11

Which is not an air pollutant

Question # 12

Which type of pollutants are responsible for changing weather.

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

Sr.# Question Answer
1 Concentration of which gas in the atmosphere is decreased by photosynthesis in plants.
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Water vapours
2 Which type of pollutants are responsible for changing weather.
A. Soil pollutants
B. Water pollutants
C. Air pollutants
D. all of the above
3 Which gas is also known as life gas for plants.
A. CO
B. O2
C. CO2
D. NO2
4 % age of oxygen gas by volume in dry air is
A. 21%
B. 90%
C. 40%
D. 30%
5 Forest fires and burning of wood emit.
A. O2
B. Cl2
C. N2
D. CO2
6 How many percentage of all available water use by humans.
A. 2%
B. 3%
C. 4%
D. 1%
7 Carbon monoxide is harmful to us because.
A. It paralyses the lungs
B. It reduces oxygen carrying ability of haemoglobin
C. It damages lungs tissues
D. It makes the blood coagulate
8 Which one of these pollutants are not found in car exhaust fumes.
A. NO2
B. SO2
C. CO
D. O3
9 Which catalyst is used in the catalytic converter fixed in teh exhaust systems of automobiles.
A. Ni
B. Pt,Pd and Rh
C. Cu
D. CaO
10 Which is not a poisonous gas.
A. CO
B. Ozone
C. Carbon di oxide
D. All of these

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