5.
How do you confirm the gas released during hydrilla experiment
is oxygen ?
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Place the apparatus in the sun for at least 2-3 hours. OBSERVATION:1)Gas bubbles i,e.,oxygen is produced at the end of test tube and remove the test tube gently. 2)Test the gas in the testtube by inserting a glowing incense stick which would burst into flames. 3)This shows the presence of oxygen.
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