Class 10 Chemistry MCQs - Chapter 10

The Atmosphere Quiz Questions & Answers PDF Download - 3

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The Quiz: The mass of atmosphere contained in the troposphere is about; "The Atmosphere" App (iOS, Android) with answers: 75-80%; 10-20%; 90-100%; 50-60%; to study online classes courses. Study Troposphere MCQ Questions, download Amazon eBook (Free Sample) for school certificate.

The Atmosphere Exam Questions and Answers PDF Download: Test 3

MCQ 11:

The mass of atmosphere contained in the troposphere is about

10-20%
75-80%
90-100%
50-60%

MCQ 12:

The maximum amount of ozone (O₃) is present in

troposphere
stratosphere
mesosphere
thermosphere

MCQ 13:

The amount of Nitrogen (N₂) present in dry air is

0.2
0.78
0.48
0.68

MCQ 14:

Percentage of carbon dioxide in the air is

0.78
0.21
0.0093
0.0004

MCQ 15:

Percentage of helium in the air is

0.000624
0.000524
0.000724
0.000824

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