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

Start Test Download PDF

Environmental Chemistry

00:00
Question # 1

Carbon monoxide is harmful to us because.

Question # 2

% age of oxygen gas by volume in dry air is

Question # 3

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

Question # 4

In which area there is a greater possibility of acid rain.

Question # 5

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

Question # 6

Which gases contribute towards the formation of acid rain.

Question # 7

Which type of pollutants are responsible for changing weather.

Question # 8

How many percentage of all available water use by humans.

Question # 9

99% of atmosphere consists of

Question # 10

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

Question # 11

The pereceangage of SO2 released by the combustion of coal and petroleum products is.

Question # 12

Which gas is responsible for warming the atmosphere.

Submit

Prepare Complete Set Wise Chapter 10 "Environmental Chemistry" MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of Chapter 10 "Environmental Chemistry" MCQ`s Test

  • 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
  • P
    Palk Fatima 15 - Jan - 2026 02 Min 55 Sec 9/12
  • I
    Insha Waheed 26 - Oct - 2025 06 Min 57 Sec 8/12
  • M
    mohid nman 11 - Oct - 2025 01 Min 31 Sec 7/12
  • A
    Ansa Batool 18 - Oct - 2025 03 Min 27 Sec 7/12
  • M
    Muneeb ur Rehman 02 - Jan - 2026 05 Min 45 Sec 7/12
  • A
    Adil Umer 25 - Sep - 2025 02 Min 13 Sec 6/12

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

Sr.# Question Answer
1 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
2 How many % of marine mammals are at the risk of chokig on plastic.
A. 78%
B. 21%
C. 0.03%
D. 99%
3 How many tons of ice have lost since 1990?
A. 28 trillion
B. 10 trillion
C. 18 trillion
D. 8 trillion
4 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
5 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
6 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
7 Which components are essential for the cormation of photochemical smog.
A. NO2 volatile organic compounds sunlight
B. CO, NO2,CO2
C. CO2,NO2,Sunlight
D. Volatile organic compounds,NO2,CO
8 99% of atmosphere consists of
A. O2 and CO2
B. N2 and H2
C. N2 and O2
D. N2 and CO2
9 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
10 Forest fires and burning of wood emit.
A. O2
B. Cl2
C. N2
D. CO2

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!