Air and Atmosphere Multiple Choice Questions and Answers 3
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MCQ on Air and Atmosphere Worksheets 3 Quiz PDF Download
MCQ: Intake of carbon dioxide and giving out of oxygen is only process named
MCQ: Air is a mixture that makes up the
MCQ: Condensation point of oxygen gas is
MCQ: Ammonia is used to make compounds such as
- ammonium sulfate
- ammonium nitrate
- all of these
- nitric acid
MCQ: Layer that blocks ultraviolet (UV) rays from sun is
- top layer
- inner layer
- ozone layer