Which of the following is not necessary for combustion to take place?

Oxygen

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Fuel

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Carbon dioxide

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Heat

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Solution

The correct option is C Carbon dioxide
Combustion is a chemical process in which a substance reacts with oxygen to generate heat. Factors that support combustion are:
- Presence of a combustible substance
- Supply of oxygen
- High ignition temperature
Carbon dioxide is not a supporter of combustion.

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Similar questions

(a) What is meant by 'combustion' ? Explain with an example.

(b) What are the conditions necessary for combustion to take place ?

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