Air and Atmosphere Multiple Choice Questions and Answers 9

Learn air and atmosphere multiple choice questions, grade 6 science online test 9 for elementary school degree online courses, distance learning for exam prep. Practice the atmosphere multiple choice questions (MCQs), air and atmosphere quiz questions and answers for science class for 6th grade science help with interactive tests.

Study elementary school science multiple choice questions (MCQs): there is no boundary between atmosphere and space, so density of atmosphere decreases with, for free online courses with choices increasing altitude, same height, constant height, and decreasing height, the atmosphere quiz with eBooks online to download for problem-solving skills for charter school and high school students. Free science study guide for online learning the atmosphere quiz questions to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Worksheets 9 Quiz PDF Download

MCQ: There is no boundary between atmosphere and space, so density of atmosphere decreases with

  1. same height
  2. increasing altitude
  3. constant height
  4. decreasing height

B

MCQ: Chemical formula of ozone is

  1. O3
  2. O2
  3. O4
  4. O5

A

MCQ: A blanket of gases surrounding planet is known as

  1. ozone
  2. temperature
  3. season
  4. atmosphere

D

MCQ: Iron rusts when it comes in contact with

  1. carbon dioxide & water
  2. oxygen & water
  3. many gases
  4. nitrogen & oxygen

B

MCQ: A reaction in which oxygen is used up for production of thermal and light energy is known as

  1. production
  2. combustion
  3. reaction
  4. respiration

B