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Class 10 Chemistry Cerification Guide: Practice Test 3 (Chapter 6)

Environmental Chemistry I Atmosphere Quiz Questions & Answers PDF Download - 3

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The Environmental chemistry i atmosphere Quiz Questions and Answers PDF (Environmental Chemistry I Atmosphere Quiz PDF e-Book) download Ch. 6-3 to learn Class 10 Chemistry Course. Solve Composition of Atmosphere MCQs PDF, Environmental Chemistry I Atmosphere Quiz Questions and Answers to study online courses. The Environmental Chemistry I Atmosphere Quiz App Download: Free Class 10 Chemistry App to learn composition of atmosphere, environmental issues, ozone depletion, air pollution, layers of atmosphere test prep for online school courses.

The Quiz: Percentage of hydrogen in the air is; "Environmental Chemistry I Atmosphere Quiz" App (iOS, Android) with answers: 0.8, 0.99, 0.5, and 0.25 to study online courses. Study Composition of Atmosphere MCQ Questions, download Google Book (Free Sample) for online education.

Environmental Chemistry I Atmosphere Exam Questions and Answers PDF Download: Test 3

MCQ: 11

Percentage of hydrogen in the air is

  1. 0.99
  2. 0.8
  3. 0.5
  4. 0.25
MCQ: 12

Which of the following have an impact on brain development in human beings especially among children?

  1. chlorofluorocarbons (CFCs)
  2. methane
  3. carbon monoxide
  4. lead compounds
MCQ: 13

Which of the following is true about ozone?

  1. light blue in colour
  2. odourless
  3. not harmful
  4. not a pollutant
MCQ: 14

Which of the following is a powerful irritant which can aggravate the symptoms of people who suffer from respiratory disorders?

  1. sulphur dioxide
  2. carbon monoxide
  3. carbon dioxide
  4. oxides of nitrogen
MCQ: 15

What is meant by the term 'meso'?

  1. top
  2. middle
  3. turning
  4. changing

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Environmental Chemistry I Atmosphere Quiz App (iOS & Android)

Environmental Chemistry I Atmosphere Quiz App

Environmental Chemistry I Atmosphere Quiz App (Android & iOS)

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