Air and Atmosphere Multiple Choice Questions and Answers 1

Learn air and atmosphere multiple choice questions, grade 6 science online test 1 for elementary school degree online courses, distance learning for exam prep. Practice fractional distillation of air multiple choice questions (MCQs), air and atmosphere quiz questions and answers for science class for online 6th grade tests.

Study elementary school science multiple choice questions (MCQs): nitrogen is obtained from fractional distillation of liquefied air at about, for free online courses with choices 186°c, 196°c, 176°c, and 166°c, fractional distillation of air quiz with science question bank with answer key for homeschooling students to get prepare for exams. Free science study guide for online learning fractional distillation of air quiz questions to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Worksheets 1 Quiz PDF 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


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

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


MCQ: 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