Class 10 Chemistry MCQs (Grade 10) From Textbook

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Class 10 Chemistry MCQs – Practice Test 18 (Chapter 6)

Environmental Chemistry I Atmosphere MCQ with Answers PDF Download – Test 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 Class 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. Download the Environmental Chemistry I Atmosphere MCQ App – Free Class 10 Chemistry App to learn chemistry mcqs for class 10, troposphere, air pollution, layers of atmosphere test prep for school certificate.

The MCQ: What is the extension of the exosphere above the surface of Earth; "Environmental Chemistry I Atmosphere MCQ" 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 Book (Free Chapter) for online certifications.

Environmental Chemistry I Atmosphere MCQ – Practice Test 18 PDF Download

MCQ: 86

What is the extension of the exosphere above the surface of Earth?

  1. 80 km to 400 km
  2. 0 km to 12 km
  3. 400 km to thousands of kilometer
  4. none of above
MCQ: 87

Maximum temperature of the troposphere is

  1. 17 °C
  2. −55 °C
  3. −5 °C
  4. 1800 °C
MCQ: 88

Which of the following is not an air pollutant?

  1. carbon dioxide
  2. carbon monoxide
  3. sulphur dioxide
  4. oxides of nitrogen
MCQ: 89

Which of the following protects Earth's surface from being hit by most meteoroids?

  1. troposphere
  2. stratosphere
  3. mesosphere
  4. thermosphere
MCQ: 90

What is meant by the term 'thermo'?

  1. outer
  2. top
  3. turning
  4. heat

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