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multiple choice questions
2. This gas helps in burning
A carbon dioxide
B oxygen
C Argon ​

Sagot :

Answer: Oxygen

Explanation:

The gas that is useful for burning from the options given is oxygen. For combustion to take place, it should be noted that oxygen is required.

Fire is simply a chemical reaction that is being created from fuel and oxygen which eventually creates the heat and the light that's gotten. The percentage of oxygen that is in the air is about 21%.

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