Composition of Air MCQs Quiz Online PDF eBook Download

Learn composition of air MCQs, composition of air quiz answers pdf to study grade 6 science for online degree courses. Practice air and atmosphere multiple choice questions & answers (MCQs), "Composition of Air" quiz questions and answers for online schools. Learn gas properties and air, air and processes, composition of air test prep for online schools.

Practice composition of air MCQ: A greenhouse gas that absorbs energy and maintains earth's temperature is, with choices carbon dioxide, oxygen, nitrogen, and argon for online schools. Free science student portal for online learning air and atmosphere quiz questions for distance learning.

MCQs on Composition of Air PDF eBook Download

MCQ: A greenhouse gas that absorbs energy and maintains the earth's temperature is

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

A

MCQ: Main constituent in air is

  1. nitrogen
  2. oxygen
  3. argon
  4. water vapor

A

MCQ: In desert areas, the water vapor content is

  1. different
  2. higher
  3. low
  4. constant

C

MCQ: In humid areas, the water vapor content is

  1. higher
  2. lower
  3. constant
  4. none of them

A

MCQ: Water vapor is less dense than

  1. temperature
  2. air
  3. dust
  4. space

B