Question

write two precautions required while finding the pH of the samples.

Answer 1

1.do not touch or taste any of the solution.
2.use separate pH paper for testing different solutions.

Answer 2

Heya Frnd ..........☺

While checking the pH of the samples , following precautions should be taken in care :-

1 ) Many of the substances are corrosive in nature , therefore , they must be handled with care.

2 ) The pH paper must be wetted before testing the pH of samples.

3) different pH papers are used for different samples

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