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Air and Atmosphere Questions and Answers 9

Air and atmosphere quiz questions and answers, air and atmosphere trivia questions PDF to practice grade 6 science test 9 for online learning. Practice "Air and Water" MCQs, air and atmosphere quiz questions and answers for online elementary school classes. Learn the atmosphere, gas properties and air, air and processes test prep for virtual online school.

"There is no boundary between atmosphere and space, so the density of atmosphere decreases with" Multiple Choice Questions (MCQ) on air and atmosphere with choices increasing altitude, same height, constant height, and decreasing height for online elementary school classes. Free science study guide for online learning air and water quiz questions for school certificate.

Air and Atmosphere MCQs Quiz 9 PDF Download eBook

MCQ: There is no boundary between atmosphere and space, so the density of atmosphere decreases with

  1. same height
  2. increasing altitude
  3. constant height
  4. decreasing height

B

MCQ: The chemical formula of ozone is

  1. O3
  2. O2
  3. O4
  4. O5

A

MCQ: A blanket of gases surrounding the planet is known as

  1. ozone
  2. temperature
  3. season
  4. atmosphere

D

MCQ: Iron rusts when it comes in contact with

  1. carbon dioxide & water
  2. oxygen & water
  3. many gases
  4. nitrogen & oxygen

B

MCQ: A reaction in which oxygen is used up for the production of thermal and light energy is known as

  1. production
  2. combustion
  3. reaction
  4. respiration

B