Question

list the conditions under which combustion can take place
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Answer 1

Answer:

Presence of combustible substance.

Presence of supporter of combustion - oxygen.

Attainment of ignition temperature.

Answer 2

Answer:

The following conditions are essential for combustion to occur:

1. Presence of combustible substance: Combustion is only possible if the substance is combustible.

2. Presence of a supporter of combustion: There must be an adequate supply of a supporter of combustion. For example, oxygen which is necessary for combustion.

3. Attainment of ignition temperature: The temperature at which a particular substance burns in the presence of air is called ignition temperature. A substance cannot catch fire if its temperature is lower than its ignition temperature.

Explanation:

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