Class 10 Chemistry MCQs – Practice Test 2 (Chapter 10)

The Atmosphere MCQ with Answers PDF Download – Test 2

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The Atmosphere MCQ – Practice Test 2 PDF Download

MCQ 6: Percentage of oxygen in the air is:

0.78
0.21
0.0093
0.0004

MCQ 7: When ozone absorbs UV radiation, the energy is converted in to:

light
sound
heat
electricity

MCQ 8: The gas responsible for global warming is:

oxygen
carbon dioxide
carbon monoxide
oxygen

MCQ 9: The temperature of the thermosphere is up to:

120 °C
1200 °C
1800 °C
1000 °C

MCQ 10: Percentage of nitrogen in the air is:

0.78
0.21
0.0093
0.0004

Class 10 Chemistry Notes App & e-Book – The Atmosphere Exam Prep

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