MCQ Class 6 Science Chapter 11 Air Around Us Advertisement MCQ’s for All Chapters – Science Class 6th 1. Major part of the air is constituted bynitrogenoxygencarbon dioxideinert gasesYour comments:Question 1 of 102. Which of the following gas helps in burning?NitrogenOxygenCarbon dioxideCarbon monoxideYour comments:Question 2 of 103. Which of the following gas we use in breathing?Carbon dioxideNitrogenOxygenNone of theseYour comments:Question 3 of 104. Wind isair around usrising hot airair in motionnone of theseYour comments:Question 4 of 105. Air is present inatmospheresoilwater of ponds, lakes and seaseverywhereYour comments:Question 5 of 106. Air isa mixturea pure substancean elementanything, that depends on the place where it is foundYour comments:Question 6 of 107. Envelope of air that surrounds the earth is known asbiosphereatmosphereenvironmentecosystemYour comments:Question 7 of 108. Which is not a property of air?Air is transparent. It occupies space.It is a solution.It is a compound.Your comments:Question 8 of 109. The ratio of nitrogen to oxygen in the air is1:44:13:11:2Your comments:Question 9 of 1010. The main constituent of the air is.nitrogenoxygencarbon dioxidehydrogenYour comments:Question 10 of 10 Loading...
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