Question

how do you confirm the gas released during hydrilla experiment in oxygen​

Answer 1

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Test : Test the gas in the test - tube by inserting a glowing incense stick which would burst into flames. This shows the presence of oxygen : Result : This shows that oxygen is produced during photosynthesis.

Answer 2

Answer:

To check its presence, test tube with accumulated gas is removed by closing its mouth with finger or thumb. Further, glowing stick is inserted into the test tube filled with gas. tehe stick will burst into flames in presence of oxygen, thus confirming its presence

Explanation:

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