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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"
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Total Questions12
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Time Allowed15
Environmental Chemistry
00:00
Question # 1
Which is not a characteristics of SO2?
Question # 2
The Earth's atmosphere is getting hotter beacuse of.
Question # 3
Which gas is produced by the elecrical lightning in air.
Question # 4
How many tons of ice melts every year?
Question # 5
Carbon monoxide is harmful to us because.
Question # 6
Whcih gas is emitted due to volcanic eruption.
Question # 7
The pH of normal rain water is.
Question # 8
Increased concentration of CO2 in air results.
Question # 9
How many % of marine mammals are at the risk of chokig on plastic.
Question # 10
In which area there is a greater possibility of acid rain.
Question # 11
In the bacterial decay, the compounds of which element are emitted.
Question # 12
Which gas is also known as life gas for plants.
Top Scorers Of Chapter 10 "Environmental Chemistry" MCQ`s Test
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B BNVB 25 - Oct - 2025 00 Min 01 Sec 12/12 -
C CH HADI 25 - Oct - 2025 01 Min 31 Sec 12/12 -
M M. Abdullah 24 - Dec - 2025 04 Min 29 Sec 12/12 -
U Umar Hayat 05 - Feb - 2026 01 Min 03 Sec 11/12 -
S Shair ali Kamran Saadali Kamran 06 - Oct - 2025 01 Min 16 Sec 11/12 -
A Arooj Roojay 21 - Nov - 2025 01 Min 55 Sec 11/12 -
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A Ajwa Asif 26 - Jan - 2026 01 Min 29 Sec 9/12 -
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R Raoasad 06 - Apr - 2026 01 Min 57 Sec 8/12 -
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M mohid nman 11 - Oct - 2025 01 Min 31 Sec 7/12
9th Class (English Medium) Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Forest fires and burning of wood emit. |
A. O2
B. Cl2
C. N2
D. CO2
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| 2 | How many trees are cut down to make toliet paper every day. |
A. 27000
B. 2200
C. 2000
D. 2700
|
| 3 | In the bacterial decay, the compounds of which element are emitted. |
A. Iodine
B. Phosphorus
C. Sulphur
D. All of the above
|
| 4 | 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
|
| 5 | The Earth's atmosphere is getting hotter beacuse of. |
A. Increasig concentration of CO
B. Increasig concentration of CO2
C. Increasig concentration of O3
D. Increasig concentration of SO2
|
| 6 | Which of the following is a poisonous gas. |
A. Ozone
B. Oxygen
C. Nitrogen
D. Carbon di oxide
|
| 7 | Which is not a characteristics of SO2? |
A. It is colourless gas
B. It has irritating smell
C. It does not form sulphuric acid
D. It causes suffocation
|
| 8 | Which type of pollutants are responsible for changing weather. |
A. Soil pollutants
B. Water pollutants
C. Air pollutants
D. all of the above
|
| 9 | How many percentage of all available water use by humans. |
A. 2%
B. 3%
C. 4%
D. 1%
|
| 10 | 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
|
Test Questions