Question

give my answer to demonstrate that carbon dioxide is present in exhaled air step-by-step activity aim,material required, procedure, observations ​

Answer 1

Answer:

1 take a test tube and add some lime water in test tube.

1 take a test tube and add some lime water in test tube.2 take a funnel and dip in the test tube containing lime water.

1 take a test tube and add some lime water in test tube.2 take a funnel and dip in the test tube containing lime water.3 exhale air in test tube .

1 take a test tube and add some lime water in test tube.2 take a funnel and dip in the test tube containing lime water.3 exhale air in test tube .4 vou will observe that lime water turns milky.

1 take a test tube and add some lime water in test tube.2 take a funnel and dip in the test tube containing lime water.3 exhale air in test tube .4 vou will observe that lime water turns milky.this tell us presence of co2

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