Question

In the experiment shown in the figure name the chemical taken in the test tube hanging in the conical flask marked as x . What is the role of x in the experiment

Answer 1

The chemical taken in the test tube is Potassium Hydroxide (KOH) it acts as and dehydrating agent and can soak up all the gas in particularly oxygen so that we can prove that CO2 is given out during respiration.

Answer 2

Potassium hydroxide ( KoH)

Role of koh: it absorbs co2 from the flask due to which vacuum is created and the experiment is done ✅ properly

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