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 gas is also known as life gas for plants.

Question # 2

In the bacterial decay, the compounds of which element are emitted.

Question # 3

Buildings are being damaged by acid rain because it attcks.

Question # 4

Catalytic converters convert.

Question # 5

Whcih factor deermines the severity of a pollutant.

Question # 6

Which substance remains unafaffected in the catalytic conerer fixed int he exhaust of the atutomobiles.

Question # 7

How many % of marine mammals are at the risk of chokig on plastic.

Question # 8

Which gas is produced by the elecrical lightning in air.

Question # 9

Higher concentration of CO causes

Question # 10

How many tons of ice melts every year?

Question # 11

Which is not a poisonous gas.

Question # 12

Which is not an air pollutant

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

Sr.# Question Answer
1 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
2 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
3 Why is smog not felt in summer?
A. Becasue fog is not present in summer
B. Becaucse in summer smoke and fog cannot mix with each other
C. Beacuse less fossil fuels are burnt in summer
D. beacuse due to heat of the Earth the smoke rises up
4 Indicate the source of sulphur which is responsible for the presennce of oxides of sulphur in the atomospher.
A. Combustion of fossil fuels
B. Decomposition of vegetation
C. Waste gases from digestionof animals
D. Photochemical smog
5 Increased concentration of CO2 in air results.
A. Temperature remain same
B. Increasing temperature
C. Decreasing temperature
D. None of the above
6 Which type of pollutants are responsible for changing weather.
A. Soil pollutants
B. Water pollutants
C. Air pollutants
D. all of the above
7 Which gas is also known as life gas for plants.
A. CO
B. O2
C. CO2
D. NO2
8 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
9 Normally rain water is weakly acidic becasue of.
A. SO2 gas
B. CO2 gas
C. NO2 gas
D. SO gas
10 Which one of these pollutants are not found in car exhaust fumes.
A. NO2
B. SO2
C. CO
D. O3

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