Question

2 precuation while finding the ph of the given sample

Answer 1

Precautions that should be taken while finding pH of the given sample are :

1.    Use only the standard colour chart supplied with the pH paper for assessing the ph value.

2.    Keep the pH strips away from chemical fumes.

3.    Either use fresh fine dropper or glass rod for each different sample, or wash the dropper or rod well with water every time