Class 6 Science MCQs - Chapter 1
Air and Atmosphere Quiz Questions and Answers PDF - 3
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The Quiz: Intake of carbon dioxide and giving out of oxygen is the only process named; "Air and Atmosphere" App Download iOS & Android (Free) with answers respiration, photosynthesis, rusting and excretion for online certificate programs. Study air and processes quiz questions, download Amazon eBook (Free Sample) for online school classes.
Air and Atmosphere Questions & Answers PDF Download: MCQ Quiz 3
MCQ 11: Intake of carbon dioxide and giving out of oxygen is the only process named
- photosynthesis
- respiration
- rusting
- excretion
MCQ 12: Air is a mixture that makes up the
- season
- atmosphere
- clouds
- temperature
MCQ 13: The condensation point of oxygen gas is
- −113 °C
- −133 °C
- −183 °C
- −143 °C
MCQ 14: Ammonia is used to make compounds such as
- ammonium sulfate
- ammonium nitrate
- all of these
- nitric acid
MCQ 15: The layer that blocks the ultraviolet (UV) rays from the sun is
- top layer
- inner layer
- ozone layer
- outer
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