Class 10 Chemistry MCQs - Chapter 6
Environmental Chemistry I Atmosphere MCQ (Multiple Choice Questions) PDF - 18
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The MCQs: What is the extension of the exosphere above the surface of Earth; "Environmental Chemistry I Atmosphere" App Download Android & iOS (Free) with answers 0 km to 12 km, 80 km to 400 km, 400 km to thousands of kilometer for high school certification courses. Practice chemistry mcqs for class 10 quiz questions, download Apple Book (Free Sample) for online certifications.
Environmental Chemistry I Atmosphere Questions & Answers PDF Download: MCQ Quiz 18
MCQ 86: 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
MCQ 87: Maximum temperature of the troposphere is
- 17 °C
- −55 °C
- −5 °C
- 1800 °C
MCQ 88: Which of the following is not an air pollutant?
- carbon dioxide
- carbon monoxide
- sulphur dioxide
- oxides of nitrogen
MCQ 89: Which of the following protects Earth's surface from being hit by most meteoroids?
- troposphere
- stratosphere
- mesosphere
- thermosphere
MCQ 90: What is meant by the term 'thermo'?
- outer
- top
- turning
- heat
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