Air and Atmosphere Multiple Choice Questions and Answers

"Air and Atmosphere Multiple Choice Questions & Answers (MCQs)", air and atmosphere quiz answers pdf, test prep 1 to study grade 6 science for online degree courses. Learn "Fractional Distillation of Air" MCQs, air and atmosphere quiz questions and answers for distance education. Learn fractional distillation of air, composition of air, gas properties and air test prep for online certificate courses.

Practice air and atmosphere MCQ: Nitrogen is obtained from fractional distillation of liquefied air at about, with choices 186°c, 196°c, 176°c, and 166°c for distance education. Free science study guide for online learning Fractional Distillation of Air Quiz Questions for free online classes.

Air and Atmosphere MCQs Quiz 1 PDF eBook Download

MCQ: Nitrogen is obtained from fractional distillation of liquefied air at about

  1. 196°C
  2. 186°C
  3. 176°C
  4. 166°C

B

MCQ: A greenhouse gas that absorbs energy and maintains 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: On cooling, a liquid will be changed into

  1. dense
  2. solid
  3. semi-solid
  4. liquid

B

MCQ: Combustion cannot take place without

  1. water
  2. carbon
  3. air
  4. zinc

C