Question

What are the precautions should be taken while finding the ph of lemon juice?

Answer 1

Answer:

Take clean test tube .

Always use dilute solution.

Answer 2

Answer:-

Explanation:

Following precautions should be taken while finding the ph of lemon juice :-

1.  Fresh juice from the lemon should be extracted in a clean test tube.

2. Dilute solution of lemon juice should be used.

3.  pH paper should not be touched with uncleaned and wet hands.

4. Use fresh fine dropper or glass rod for each different sample, or wash the dropper or rod well with water every time.