Question

what are the precaution should we take when we check the pH of the different type of solution? Give any three​

Answer 1

Answer:

Precautions:

1. Do not touch the pH paper with unclean and wet hands.

2. Clean the the dropper before removing each solution for testing.

3. Do not waste waste the pH paper. One strip of pH paper should be divided into four or more parts and may be used by four students of the class.