Air and Atmosphere Multiple Choice Questions and Answers 14

Learn air and atmosphere MCQs, grade 6 online science test 14, composition of air multiple choice questions and answers. Composition of air revision test has science worksheets, helping answer key with choices as air, temperature, dust and space of multiple choice questions (MCQ) with composition of air quiz as water vapor is less dense than for competitive exam prep, viva interview questions. Free science study guide to practice composition of air quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz pdf Download Worksheets 14

MCQ. Water vapor is less dense than

  1. temperature
  2. air
  3. dust
  4. space


MCQ. Liquefied air is put into an apparatus known as

  1. non-fractional column
  2. non-fractional column
  3. fractional row
  4. fractionating column


MCQ. Percentage composition of oxygen in exhaled air is

  1. 16%
  2. 20%
  3. 22%
  4. 32%


MCQ. Percentage composition of carbon dioxide in exhaled air is

  1. 8%
  2. 4%
  3. 6%
  4. 10%


MCQ. As temperature of air increases, there is an increases in capacity of

  1. mineral
  2. water vapor
  3. molecules
  4. atom