Question

A piece of blue litumus paper when you put test tube what will you observe​

Answer 1

Explanation:

If we put a piece of blue litmus paper in a test tube of an acid, then it will change its colour from blue to red. Litmus paper is available in only two colours-red and blue. Simply, Red litmus paper will changes it's colour to blue if it is putted in a test tube of a base.

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