Question

an activity to show that oxygen is necessary for combustion

Answer 1

Answer:

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Explanation:

Image result for describe an activity to show that oxygen is necessary

Answer: Activity: Take a candle and fix it on a table. The candle is lighted. The candle will continue to burn due to continuously available fresh air providing the required oxygen for combustion.

Answer 2

Burning of substance in the presence of oxygen to produce heat and light is known as combustion

the necessary condition for combustion are as follows :

there is a combustible material.

there is a continuous supply of air

the temperature of combustile material is higher then it's ignition temperature.