Air and Atmosphere Multiple Choice Questions 11
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Science multiple choice questions (MCQ) on odorless, invisible gas that makes about 20%-22% of earth's atmosphere is known as with options nitrogen, oxygen, argon and carbon, atmosphere basic facts quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn atmosphere basic facts quiz to attempt multiple choice questions based test.
MCQs on Air and Atmosphere Quiz PDF Download Worksheets 11
MCQ. An odorless, invisible gas that makes about 20%-22% of earth's atmosphere is known as
MCQ. A thin layer that is held in place by gravity and provides us with oxygen is known as
MCQ. Percentage composition of nitrogen in air is
MCQ. Second step of fractional distillation is heating mixture so that components evaporate at their
- boiling point
- freezing point
- neutral point
- none of them
MCQ. In respiration, living organisms take in oxygen and give out
- water vapor
- carbon dioxide