write an activity to show that air is necessary for combustion
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1 . in case you take a burning candle and cover a transparent glass in it after some time you can see that the candle burns out . from this activity we can see with the presence of air especially o2, which is necessary for combustion
2. you can also see that when some person's dress catch fire we cover a blanket to the person for not getting the air to contact with air/oxygen , from this activity also we can see that air is necessary for combustion.
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2. you can also see that when some person's dress catch fire we cover a blanket to the person for not getting the air to contact with air/oxygen , from this activity also we can see that air is necessary for combustion.
hope may his answer help you ..
if it is useful mark it as a brainless answer..
have a good day
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