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14th Unit

10th Chemistry English Medium Chapter 6 Test

Matric Part 2/10th Class Chemistry Chapter 14 MCQ Test With Answer for Unit 14 The Atmosphere

This online test contains MCQs about following topics:

- Composition of Atmosphere

- Layers of Atmosphere

- Air Pollutanta

- Acid Rain and Its Effects

- Ozone Depletion and its Effects


10th Chemistry Chapter Wise Test
(English Medium)

Click Here for Chemistry Urdu Medium Ch 6 MCQ Test

Matric Part 2/10th Class Chemistry Chapter 14 MCQ Test With Answer for Unit 14 The Atmosphere

Sr. # Questions Answers Choice
1 The percentage of sun light absorbed by atmospheric gases is.
  • A. 2%
  • B. 10%
  • C. 18%
  • D. 25%
2 Normaily rain water is weakly acidic because.
  • A. SO<sub>3</sub>
  • B. CO<sub>2</sub>
  • C. CO<sub>3</sub>
  • D. NO<sub>2</sub>
3 How many percentage of sunlight is absorbed by atmosphere gases.
  • A. 12%
  • B. 18%
  • C. 24%
  • D. 30%
4 Which is the major effect of global warming?
  • A. Increase in temperature.
  • B. Rise in sea level
  • C. Melting of glaciers
  • D. All of them
5 Which gas saves the surface of earth from ultra violet radiation?
  • A. CO<sub>2</sub>
  • B. CO
  • C. N<sub>2</sub>
  • D. O<sub>3</sub>
6 About 99% atmosphere's lies within:
  • A. 30 kilometre
  • B. 35 kilometre
  • C. 15kilometre
  • D. 11 kilometre
7 Which gas is also known as life gas for plants.
  • A. CO
  • B. CO<sub>2</sub>
  • C. O<sub>2</sub>
  • D. NO<sub>2</sub>
8 Major portion of ozone layer is foun in.
  • A. Troposphere
  • B. Stratosphere
  • C. Mesosphere
  • D. Thermosphere
9 The envelope of different gases around the earth is called.
  • A. Atmosphere
  • B. Brosphere
  • C. Lithosphere
  • D. Hydrosphere
10 The smell of photocopies machine is due to the presence of.
  • A. Chlorine gas
  • B. Neon gas
  • C. Helium gas
  • D. Ozone gas.

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