Class 6 Science MCQs - Chapter 1

Air and Atmosphere Multiple Choice Questions (MCQ Quiz) PDF Download - 1

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The e-Book Air and atmosphere Multiple Choice Questions and Answers (MCQs), air and atmosphere quiz answers PDF 1 to study online courses, class 6 science tests. Practice Fractional Distillation of Air MCQs, air and atmosphere quiz questions and answers for distance education. The e-Book "Air and Atmosphere MCQ" App Download: 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" PDF, Air and Atmosphere App Download (Free) with 186 °c, 196 °c, 176 °c, and 166 °c choices for distance education. Solve fractional distillation of air quiz questions, download Google eBook (Free Sample) for free online classes.

Class 6 Science: Air and Atmosphere MCQs Questions PDF Download

MCQ: Nitrogen is obtained from the fractional distillation of liquefied air at about

A) 196 °C

B) 186 °C

C) 176 °C

D) 166 °C

MCQ: A greenhouse gas that absorbs energy and maintains the earth's temperature is

A) carbon dioxide

B) oxygen

C) nitrogen

D) argon

MCQ: The main constituent in air is

A) nitrogen

B) oxygen

C) argon

D) water vapor

MCQ: On cooling, a liquid will be changed into

A) dense

B) solid

C) semi-solid

D) liquid

MCQ: Combustion cannot take place without

A) water

B) carbon

C) air

D) zinc

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