Environmental Chemistry I Atmosphere Multiple Choice Questions 3 PDF Download

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Chemistry multiple choice questions (MCQ) on percentage of hydrogen in air is with options 0.00052%, 0.0018%, 0.00015% and 0.00005%, composition of atmosphere quiz for competitive exam prep, viva interview questions with answers key. Free chemistry study guide to learn composition of atmosphere quiz to attempt multiple choice questions based test.

MCQs on Environmental Chemistry I Atmosphere Quiz PDF Download Worksheets 3

MCQ. Percentage of hydrogen in air is

  1. 0.0018%
  2. 0.00052%
  3. 0.00015%
  4. 0.00005%

D

MCQ. Which of following have impact on brain development in human beings especially among children?

  1. CFCs
  2. Methane
  3. Carbon monoxide
  4. Lead compounds

D

MCQ. Which of following is true about ozone?

  1. It is light blue in colour
  2. It is odourless
  3. It is not harmful
  4. It is not a pollutant

A

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

  1. Sulphur dioxide
  2. Carbon monoxide
  3. Carbon dioxide
  4. Oxides of nitrogen

A

MCQ. What is meant by term 'meso'?

  1. Top
  2. Middle
  3. Turning
  4. Changing

B