Air and Atmosphere Multiple Choice Questions and Answers 11

Air and atmosphere MCQs, air and atmosphere quiz answers 11 to learn elementary education online courses. Gas properties and air multiple choice questions (MCQs), air and atmosphere quiz questions and answers for for online elementary education degree. Atmosphere: basic facts, the atmosphere, fractional distillation of air, air and processes test for elementary school teaching certification.

Learn elementary school science multiple choice questions (MCQs): Atmosphere: basic facts, atmosphere, fractional distillation of air, air and processes, with choices season, temperature, atmosphere, and weather for online elementary education degree. Free science study guide for online learning gas properties and air quiz questions to attempt multiple choice questions based test.

MCQ on Air and Atmosphere Worksheets 11 PDF Book Download

MCQ: An odorless, invisible gas that makes about 20%-22% of earth's atmosphere is known as

  1. oxygen
  2. nitrogen
  3. argon
  4. carbon


MCQ: A thin layer that is held in place by gravity and provides us with oxygen is known as

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


MCQ: Percentage composition of nitrogen in air is

  1. 58%
  2. 68%
  3. 78%
  4. 88%


MCQ: Second step of fractional distillation is heating mixture so that components evaporate at their

  1. boiling point
  2. freezing point
  3. neutral point
  4. none of them


MCQ: In respiration, living organisms take in oxygen and give out

  1. water vapor
  2. argon
  3. carbon dioxide
  4. nitrogen