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Class 8 Chemistry: Pollution of Air and Water — Chapter Test 1

Class 8 • Chemistry • Pollution of Air and Water • Chapter Test

MediumFREE

15

Questions

20 min

Duration

15

Marks (1 each)

No

Negative marking

Original practice questions with full solutions by ExamPortal.

Instructions

  • • Read each question carefully and pick the correct answer.
  • • You can mark questions for review and come back to them.
  • • Answers are saved automatically.
  • • The test is submitted automatically when time runs out.

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This test is completely free.

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SYLLABUS & QUESTION BLUEPRINT

Sample Practice Questions

Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.

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Question 1 of 15
The contamination of air by harmful substances is called:
A
water pollution
B
air pollution
C
soil erosion
D
noise pollution
View Correct Answer & Step-by-Step Solution
Correct Option:(B)air pollution

Detailed explanation is available inside the official test attempt review.

Question 2 of 15
Carbon monoxide is dangerous because it:
A
is sweet
B
reduces the oxygen-carrying capacity of blood
C
is visible
D
is heavy
View Correct Answer & Step-by-Step Solution
Correct Option:(B)reduces the oxygen-carrying capacity of blood

Detailed explanation is available inside the official test attempt review.

Question 3 of 15
The Taj Mahal's marble is being damaged by:
A
floods
B
acid rain (marble cancer)
C
earthquakes
D
wind
View Correct Answer & Step-by-Step Solution
Correct Option:(B)acid rain (marble cancer)

Detailed explanation is available inside the official test attempt review.

Question 4 of 15
Greenhouse effect traps:
A
cold air
B
heat in the atmosphere
C
water
D
sound
View Correct Answer & Step-by-Step Solution
Correct Option:(B)heat in the atmosphere

Detailed explanation is available inside the official test attempt review.

Question 5 of 15
The Ganga Action Plan was launched in:
A
1985
B
2000
C
1947
D
2015
View Correct Answer & Step-by-Step Solution
Correct Option:(A)1985

Detailed explanation is available inside the official test attempt review.

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Frequently asked questions

How many questions are there in Class 8 Chemistry: Pollution of Air and Water — Chapter Test 1?

There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.

Is there negative marking?

No. Wrong answers do not lose marks, so attempt every question.

Is this mock test free?

Yes, it is completely free. Just log in with your email to start.

What does this test cover?

It covers the chapter "Pollution of Air and Water" of Class 8 Chemistry. All questions are original, with a full solution for each.

Will I see my result and the solutions?

Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.

Can I take this test again?

Yes, you can retake it as many times as you like and compare your scores.