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Air Around Us_9

Authored by Aishwaria Murthy

Chemistry

6th Grade

Used 3+ times

Air Around Us_9
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23 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas makes up approximately 78% of the air around us?

Helium

Nitrogen

Carbon Dioxide

Oxygen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas is used to keep food fresh in packages for a longer time?

Nitrogen

Carbon Dioxide

Oxygen

Water Vapor

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas is used as a coolant and to store blood samples in hospitals?

Oxygen

Carbon Dioxide

Nitrogen

Rare Gases

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas is required for burning and is used in welding and fuel burning in rockets?

Carbon Dioxide

Water Vapor

Oxygen

Nitrogen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas do plants inhale from the air to carry out the process of photosynthesis?

Oxygen

Carbon Dioxide

Nitrogen

Water Vapor

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas is used to create bubbles in soft drinks and in fire extinguishers?

Rare Gases

Oxygen

Carbon Dioxide

Nitrogen

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas is easily frozen into its solid form and is used to preserve food?

Water Vapor

Carbon Dioxide

Oxygen

Nitrogen

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