Air Around Us
MCQs based NCERT Chapter
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Air is present inside the balloon as well as out side it. How does it rises up? See answer here. image credits: openclipart |
Q1: The blanket of gases that surrounds the earth is called __________.
(a) air
(b) atmosphere
(c) lithosphere
(d) biospehere
Q2: Which one of the following has the major part in air?
(a) Nitrogen
(b) Oxygen
(c) Carbon Dioxide
(d) Helium
Q3: Identify the gas "Odourless, Colourless, Heavier than air, supports combustion"
(a) Nitrogen
(b) Oxygen
(c) Carbon Dioxide
(d) Water vapours
Q4: Which one of the following statement is TRUE?