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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
Catalytic converters convert.
Question # 2
How many % of marine mammals are at the risk of chokig on plastic.
Question # 3
Global warming causes rising of the sea level. The cause of global warming is.
Question # 4
Which gases contribute towards the formation of acid rain.
Question # 5
Which one of these pollutants are not found in car exhaust fumes.
Question # 6
Forest fires and burning of wood emit.
Question # 7
People of which age groups are most affected by the air pollution .
Question # 8
The percentage by volume of nitrogen in dry air is.
Question # 9
Why is smog not felt in summer?
Question # 10
In the bacterial decay, the compounds of which element are emitted.
Question # 11
Which type of pollutants are responsible for changing weather.
Question # 12
How many tons of ice have lost since 1990?
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 -
A ali ahmed 25 - Jan - 2026 02 Min 01 Sec 10/12 -
A Ajwa Asif 26 - Jan - 2026 01 Min 29 Sec 9/12 -
A Abdullah Iqbal 12 - Jan - 2026 01 Min 45 Sec 9/12 -
E Eshal 02 - Apr - 2026 01 Min 52 Sec 9/12 -
P Palk Fatima 15 - Jan - 2026 02 Min 55 Sec 9/12 -
R Raoasad 06 - Apr - 2026 01 Min 57 Sec 8/12 -
A Adil Adeel 27 - Feb - 2026 02 Min 38 Sec 8/12 -
I Insha Waheed 26 - Oct - 2025 06 Min 57 Sec 8/12 -
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 | Which substance remains unafaffected in the catalytic conerer fixed int he exhaust of the atutomobiles. |
A. NO2
B. NO
C. CO2
D. CO
|
| 2 | How many trees are cut down to make toliet paper every day. |
A. 27000
B. 2200
C. 2000
D. 2700
|
| 3 | Which is not an air pollutant |
A. SO2
B. NH3
C. CO2
D. CO
|
| 4 | How many tons of ice have lost since 1990? |
A. 28 trillion
B. 10 trillion
C. 18 trillion
D. 8 trillion
|
| 5 | How many percentage of all available water use by humans. |
A. 2%
B. 3%
C. 4%
D. 1%
|
| 6 | 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
|
| 7 | A group of gases hat maintains temperature of atmosphere is |
A. Oxygen and water vapours
B. Nitrogen and oxygen
C. Carbon di oxide and water vapours
D. Nitrogena nd carbon dixoide
|
| 8 | 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
|
| 9 | 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
|
| 10 | Increased concentration of CO2 in air results. |
A. Temperature remain same
B. Increasing temperature
C. Decreasing temperature
D. None of the above
|
Test Questions
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