Class 6 Science MCQs - Chapter 1
Air and Atmosphere Multiple Choice Questions (MCQs) PDF Download - 9
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The Book Air and atmosphere Multiple Choice Questions (MCQs), air and atmosphere MCQs with Answers PDF Download, e-Book 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 Multiple Choice Question (MCQ Quiz): There is no boundary between atmosphere and space, so density of atmosphere decreases with; "Air and Atmosphere" App Download (Free) with answers increasing altitude, same height, constant height and decreasing height to learn online schools courses. Solve the atmosphere quiz questions, download Google eBook (Free Sample) for online school classes.
Air and Atmosphere Questions & Answers PDF Download: MCQ Quiz 9
MCQ 41: There is no boundary between atmosphere and space, so the density of atmosphere decreases with
- same height
- increasing altitude
- constant height
- decreasing height
MCQ 42: The chemical formula of ozone is
- O3
- O2
- O4
- O5
MCQ 43: A blanket of gases surrounding the planet is known as
- ozone
- temperature
- season
- atmosphere
MCQ 44: Iron rusts when it comes in contact with
- carbon dioxide & water
- oxygen & water
- many gases
- nitrogen & oxygen
MCQ 45: 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
- Protective layer that covers the dermis is known as
- Other than symbols, chemical formulas also contain
- Non-metals are dull in appearance, this is why they do not reflect
- Materials which doesn't allow any light to pass through them are called
- Communications are made a lot more easier by