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Air and Atmosphere Multiple Choice Questions and Answers

Practice Air and atmosphere multiple choice questions and answers PDF, air and atmosphere MCQ worksheets with answers key to solve grade 6 6th grade science worksheet 1 for online courses. 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


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

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


MCQ: The main constituent in air is

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


MCQ: On cooling, a liquid will be changed into

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


MCQ: Combustion cannot take place without

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