Class 10 Chemistry MCQs (Grade 10) From Textbook

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Class 10 Chemistry Competitive Exam MCQs – Practice Test 5 (Chapter 6)

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The MCQ: The thermosphere is divided into how many layers; "Environmental Chemistry I Atmosphere" App Download [Free] with answers: three, two, four, and five to learn online certification courses. Solve Chemistry MCQs for Class 10 MCQ Questions, download Google eBook (Free Chapter) for online certificate courses.

Environmental Chemistry I Atmosphere MCQs – Practice Test 5 PDF Download

MCQ: 21

The thermosphere is divided into how many layers?

  1. two
  2. three
  3. four
  4. five
MCQ: 22

What is the color of nitrogen dioxide?

  1. colorless
  2. pink
  3. brown
  4. reddish brown
MCQ: 23

Which of the following is not true about carbon monoxide?

  1. it is poisonous
  2. it is insoluble in water
  3. it is an air pollutant
  4. it can cause death
MCQ: 24

Which of the following is true about sulfur dioxide?

  1. it is colorless
  2. it is odourless
  3. it is not an air pollutant
  4. it does not cause breathing difficulties
MCQ: 25

Height of troposphere is

  1. 10 Km
  2. 12 Km
  3. 50 Km
  4. 80 Km

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