Air and Atmosphere Multiple Choice Questions Test 11

Practice science quiz 11 on air and atmosphere MCQs, grade 6 atmosphere: basic facts multiple choice questions. Free atmosphere: basic facts guide has science worksheet with answering options nitrogen, oxygen, argon and carbon of multiple choice questions (MCQ) with atmosphere: basic facts quiz as an odorless, invisible gas that makes about 20%-22% of earth's atmosphere is known as for exam prep. Study to learn atmosphere: basic facts quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere - Quiz 11

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

A

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

C

MCQ. Percentage composition of nitrogen in air is

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

C

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

A

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

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

C