Air and Atmosphere — Practice Quiz
ICSE · Class 6 · Chemistry
Try a 4-question quiz on Air and Atmosphere for ICSE Class 6 Chemistry: tap an answer to check it and see why. 55 questions in the full chapter test.
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Quick Quiz: Air and Atmosphere
0/4Tap an answer to check it instantly. No sign-up needed for these 4.
What is the most abundant gas in Earth's atmosphere?
Which gas in the air supports burning?
Which part of air is called 'inactive'?
What happens when lime water is exposed to air?
Sample Questions
Which gas is essential for respiration in living beings?
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Oxygen
Oxygen is used in respiration to release energy from food.
What is the approximate percentage of oxygen in air?
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21%
Oxygen makes up about 21% of the air by volume.
Which of the following is NOT a component of air?
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Hydrogen
Hydrogen is not a major component of air. The main gases are nitrogen, oxygen, CO₂, and inert gases.
What is the name of the green pigment in plants that helps in photosynthesis?
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Chlorophyll
Chlorophyll traps sunlight for photosynthesis in green plants.
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