Class 6 Science MCQs - Chapter 1
Air and Atmosphere Multiple Choice Questions PDF Download - 1
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Free Air and atmosphere Multiple Choice Questions and Answers (MCQs), air and atmosphere MCQ PDF download, e-Book Ch. 1-1 to study class 6 science online courses. Practice Fractional Distillation of Air MCQs PDF, air and atmosphere quiz questions and answers to study online classes courses. The Air and Atmosphere MCQs App Download: Free learning app for fractional distillation of air, composition of air, gas properties and air test prep for online certificate courses.
The Multiple Choice Question (MCQ Quiz): Nitrogen is obtained from the fractional distillation of liquefied air at about; "Air and Atmosphere" App Download (Free) with answers 186 °c, 196 °c, 176 °c and 166 °c to study online classes courses. Solve fractional distillation of air quiz questions, download Google eBook (Free Sample) for free online classes.
Air and Atmosphere Questions & Answers PDF Download: MCQ Quiz 1
MCQ 1: Nitrogen is obtained from the fractional distillation of liquefied air at about
- 196 °C
- 186 °C
- 176 °C
- 166 °C
MCQ 2: A greenhouse gas that absorbs energy and maintains the earth's temperature is
- carbon dioxide
- oxygen
- nitrogen
- argon
MCQ 3: The main constituent in air is
- nitrogen
- oxygen
- argon
- water vapor
MCQ 4: On cooling, a liquid will be changed into
- dense
- solid
- semi-solid
- liquid
MCQ 5: Combustion cannot take place without
- water
- carbon
- air
- zinc
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Air and Atmosphere MCQ Book Questions
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