Class 6 Courses

Chapter 1: Class 6 Science Exam Tests

Class 6 Science MCQs - Chapter 1

Air and Atmosphere Multiple Choice Questions (MCQs) PDF Download - 9

The Air and atmosphere Multiple Choice Questions (MCQs) with Answers PDF (air and atmosphere MCQs PDF e-Book) download Ch. 1-9 to study Grade 6 Science Course. Learn Air and Atmosphere Quiz Questions and Answers to learn online schools courses. The Air and Atmosphere MCQs App Download: Free learning app for the atmosphere, gas properties and air, air and processes test prep for online degree programs.

The MCQ: There is no boundary between atmosphere and space, so the density of atmosphere decreases with; "Air and Atmosphere" App Download (Free) with answers: Increasing altitude; Same height; Constant height; Decreasing height; to learn online schools courses. Solve The Atmosphere MCQ Questions, download Google eBook (Free Sample) for online school classes.

Air and Atmosphere MCQs with Answers PDF Download: Quiz 9

MCQ 41:

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

  1. same height
  2. increasing altitude
  3. constant height
  4. decreasing height
MCQ 42:

The chemical formula of ozone is

  1. O3
  2. O2
  3. O4
  4. O5
MCQ 43:

A blanket of gases surrounding the planet is known as

  1. ozone
  2. temperature
  3. season
  4. atmosphere
MCQ 44:

Iron rusts when it comes in contact with

  1. carbon dioxide & water
  2. oxygen & water
  3. many gases
  4. nitrogen & oxygen
MCQ 45:

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

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

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Air and Atmosphere App (Android & iOS)

Air and Atmosphere App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (iOS & Android)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (iOS & Android)