Air, Gases and Combustion Quiz

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Gases in air and combustion basics

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Yassmin Soliman Eldafrawy

Egypt

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Air, Gases and Combustion QuizOnline version Gases in air and combustion basics by Yassmin Soliman Eldafrawy 1 1. What happens to the burning when you put a lit incense stick into a jar of carbon dioxide? a It keeps burning as it is b The flame goes out after some time c The flame goes out immediately. d It burns brightly 2 2. Oxygen gas ______ combustion, as it makes the flame ______. a Oxygen gas prevents combustion, as it makes the flame go out. b Oxygen gas does not affect combustion, as it makes the flame stay the same c Oxygen gas supports combustion, as it makes the flame go brighter. d Oxygen gas slows down combustion, as it makes the flame go dim. 3 4. Air is a ___ of different ___. a Air is an element of different gases b Air is a mixture of different gases. c Air is a solution of different liquids. d Air is a compound of different elements. 4 5. Carbon dioxide makes the flame ___, because it ___ combustion. a Carbon dioxide makes the flame go brighter, because it prevents combustion. b Carbon dioxide makes the flame go out, because it promotes combustion. c Carbon dioxide makes the flame go out, because it prevents combustion. d Carbon dioxide makes the flame go out, because it supports combustion 5 6. Oxygen gas ___ combustion, as it makes the flame ___. a Oxygen gas does not affect combustion, as it makes the flame stay the same b Oxygen gas supports combustion, as it makes the flame brighter. c Oxygen gas slows combustion, as it makes the flame go dim. d Oxygen gas prevents combustion, as it makes the flame go out. 6 7. The amount of oxygen gas in the air is ___ than that of nitrogen gas, while it is ___ than that of carbon dioxide gas. a The amount of oxygen gas in the air is less than that of nitrogen gas, while it is greater than that of carbon dioxide gas. b The amount of oxygen gas in the air is equal to both nitrogen and carbon dioxide gases c The amount of oxygen gas in the air is more than both nitrogen and carbon dioxide gases. d The amount of oxygen gas in the air is greater than that of nitrogen gas, while it is less than that of carbon dioxide gas.

Air, Gases and Combustion QuizOnline version

Gases in air and combustion basics

by Yassmin Soliman Eldafrawy

1. What happens to the burning when you put a lit incense stick into a jar of carbon dioxide?

It keeps burning as it is

The flame goes out after some time

The flame goes out immediately.

It burns brightly

2. Oxygen gas combustion, as it makes the flame .

Oxygen gas prevents combustion, as it makes the flame go out.

Oxygen gas does not affect combustion, as it makes the flame stay the same

Oxygen gas supports combustion, as it makes the flame go brighter.

Oxygen gas slows down combustion, as it makes the flame go dim.

4. Air is a _ of different _.

Air is an element of different gases

Air is a mixture of different gases.

Air is a solution of different liquids.

Air is a compound of different elements.

5. Carbon dioxide makes the flame _, because it _ combustion.

Carbon dioxide makes the flame go brighter, because it prevents combustion.

Carbon dioxide makes the flame go out, because it promotes combustion.

Carbon dioxide makes the flame go out, because it prevents combustion.

Carbon dioxide makes the flame go out, because it supports combustion

6. Oxygen gas _ combustion, as it makes the flame _.

Oxygen gas does not affect combustion, as it makes the flame stay the same

Oxygen gas supports combustion, as it makes the flame brighter.

Oxygen gas slows combustion, as it makes the flame go dim.

Oxygen gas prevents combustion, as it makes the flame go out.

7. The amount of oxygen gas in the air is _ than that of nitrogen gas, while it is _ than that of carbon dioxide gas.

The amount of oxygen gas in the air is less than that of nitrogen gas, while it is greater than that of carbon dioxide gas.

The amount of oxygen gas in the air is equal to both nitrogen and carbon dioxide gases

The amount of oxygen gas in the air is more than both nitrogen and carbon dioxide gases.

The amount of oxygen gas in the air is greater than that of nitrogen gas, while it is less than that of carbon dioxide gas.

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Air, Gases and Combustion Quiz

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Air, Gases and Combustion QuizOnline version

by Yassmin Soliman Eldafrawy

1. What happens to the burning when you put a lit incense stick into a jar of carbon dioxide?

2. Oxygen gas combustion, as it makes the flame .

4. Air is a _ of different _.

5. Carbon dioxide makes the flame _, because it _ combustion.

6. Oxygen gas _ combustion, as it makes the flame _.

7. The amount of oxygen gas in the air is _ than that of nitrogen gas, while it is _ than that of carbon dioxide gas.

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Air, Gases and Combustion Quiz

Quiz

About this activity

Created by

Download the paper version to play

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Air, Gases and Combustion QuizOnline version

by Yassmin Soliman Eldafrawy

1. What happens to the burning when you put a lit incense stick into a jar of carbon dioxide?

2. Oxygen gas ______ combustion, as it makes the flame ______.

4. Air is a ___ of different ___.

5. Carbon dioxide makes the flame ___, because it ___ combustion.

6. Oxygen gas ___ combustion, as it makes the flame ___.

7. The amount of oxygen gas in the air is ___ than that of nitrogen gas, while it is ___ than that of carbon dioxide gas.

2. Oxygen gas combustion, as it makes the flame .

4. Air is a _ of different _.

5. Carbon dioxide makes the flame _, because it _ combustion.

6. Oxygen gas _ combustion, as it makes the flame _.

7. The amount of oxygen gas in the air is _ than that of nitrogen gas, while it is _ than that of carbon dioxide gas.