Air and Atmosphere Multiple Choice Questions 1

Practice air and atmosphere MCQs, grade 6 online science test 1, fractional distillation of air multiple choice questions and answers. Fractional distillation of air revision test has science worksheets, helping answer key with choices as 186°c, 196°c, 176°c and 166°c of multiple choice questions (MCQ) with fractional distillation of air quiz as nitrogen is obtained from fractional distillation of liquefied air at about for competitive exam prep, viva interview questions. Free science study guide to practice fractional distillation of air quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz PDF Download Worksheets 1

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