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How will you proved that air …

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How will you proved that air help burning

Posted by Ishan Tripathi 5 years, 10 months ago

CBSE > Class 06 > Science (OLD)

5 answers

Shivayogi. S. Sheelavant 5 years, 10 months ago

Dj

Ridima Nehra 5 years, 10 months ago

Aim: to show the presence of air in a bottle that looks empty Materials needed: an empty plastic or glass bottle and tub of water Method: 1. Take an empty bottle. 2. Open its cap. 3.now immerse the bottle in water with the open end inside the water.Now tilt the bottle. Observation: we will see the bubbles at the mouth of the bottle .This is because there is air inside the bottle which comes out on tilting the bottle (as it finds an opening). Before tilting,what does not enter the bottle as older space inside the bottle was taken up by air. But as you tilt the bottle ,your rushes out from the opening and water rushes in to fill the empty space. Conclusion:Air occupies space.

Senthur K 5 years, 10 months ago

keep a candle cover it with a glass tumbler after a while it will stop burning this proves that air helps burning

Shelly Kashyap 5 years, 10 months ago

Dfggjsjstdh

Arvind Reddy 5 years, 10 months ago

Oxygen

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