1.

Acidic, basic and neutral solutions are given in three test tubes and you are given a strip of red litmus. How will you identify the three solutions?

Answer»

1. Red litmus strip is dipped in the solutions contained in the three test tubes one after another. 

2. The solution in which red litmus is turned into blue is considered as base. 

3. The solution in which this blue litmus is turned into red is considered as an acid. 

4. The solution in which either red or blue litmus does not change its colour is neutral solution.



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