Question

Q. A student is to conduct an experiment to show CO2 is released during respiration. List two precautions that he/she must take for obtaining correct observation​

Answer 1

Explanation:

Following are the precaution student take in the experiment:-

A) The apparatus should be airtight especially conical flask.

B) Freshly prepared KOH should be used.

C) Put the shorter end of glass in a way it avoids touching the seeds.

Answer 2

Explanation:

Following precautions are

1) Apparatus should be airtight especially conical flask.

2) Freshly prepared KOH should be used.