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Air and Atmosphere MCQ Questions and Answers

Practice Air and atmosphere Multiple Choice Questions and Answers PDF, air and atmosphere MCQs questions PDF worksheets to solve grade 6 science test 1 for online school programs. Practice "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.

"Nitrogen is obtained from the fractional distillation of liquefied air at about" Multiple Choice Questions (MCQ) on air and atmosphere with choices 186 °c, 196 °c, 176 °c, and 166 °c for distance education. Solve fractional distillation of air quiz questions for school certificate programs for free online classes.

Air and Atmosphere MCQs Quiz 1 PDF Download eBook

MCQ: Nitrogen is obtained from the 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 the earth's temperature is

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

A

MCQ: The 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