Class 6 Science MCQs - Chapter 1
Air and Atmosphere Multiple Choice Questions (MCQs) PDF Download - 9
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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
There is no boundary between atmosphere and space, so the density of atmosphere decreases with
- same height
- increasing altitude
- constant height
- decreasing height
The chemical formula of ozone is
- O3
- O2
- O4
- O5
A blanket of gases surrounding the planet is known as
- ozone
- temperature
- season
- atmosphere
Iron rusts when it comes in contact with
- carbon dioxide & water
- oxygen & water
- many gases
- nitrogen & oxygen
A reaction in which oxygen is used up for the production of thermal and light energy is known as
- production
- combustion
- reaction
- respiration
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Air and Atmosphere MCQ Book Questions
- Human senses are very limited as well as not reliable hence instruments are used like
- When you are mixing or heating up chemicals always wear
- Shorter line on battery symbol represents
- A living thing can find in its habitat
- Substance that has physical properties opposite to those of metals is known as