Class 10 Chemistry MCQs - Chapter 6
Environmental Chemistry I Atmosphere Multiple Choice Questions (MCQ) PDF Download - 18
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The Environmental chemistry i atmosphere Multiple Choice Questions (MCQ Quiz) with Answers PDF (Environmental Chemistry I Atmosphere MCQ PDF e-Book) download Ch. 6-18 to learn Grade 10 Chemistry Course. Study Chemistry MCQs for Class 10 Multiple Choice Questions and Answers (MCQs) PDF, Environmental Chemistry I Atmosphere Quiz Questions and Answers for high school certification courses. The Environmental Chemistry I Atmosphere MCQ App Download: Grade 10 Chemistry Learning App [Free] for chemistry mcqs for class 10, troposphere, air pollution, layers of atmosphere test prep for school certificate.
The MCQs: What is the extension of the exosphere above the surface of Earth; "Environmental Chemistry I Atmosphere" App (Android, iOS) with answers: 0 km to 12 km, 80 km to 400 km, and 400 km to thousands of kilometer for high school certification courses. Practice Chemistry MCQs for Class 10 MCQ Questions, download Apple e-Book (Free Sample) for online certifications.
Environmental Chemistry I Atmosphere MCQs with Answers PDF Download: Quiz 18
What is the extension of the exosphere above the surface of Earth?
- 80 km to 400 km
- 0 km to 12 km
- 400 km to thousands of kilometer
- none of above
Maximum temperature of the troposphere is
- 17 °C
- −55 °C
- −5 °C
- 1800 °C
Which of the following is not an air pollutant?
- carbon dioxide
- carbon monoxide
- sulphur dioxide
- oxides of nitrogen
Which of the following protects Earth's surface from being hit by most meteoroids?
- troposphere
- stratosphere
- mesosphere
- thermosphere
What is meant by the term 'thermo'?
- outer
- top
- turning
- heat
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