Question

you are given three test tubes one of them contains acidic solution,the Other contain a basic solution and remaining 1 contain pure water.if you are given only blue Litmus Paper. how will you identify the content of each test tube?

Answer 1

1: Blue litmus paper turns red.(acidic soln.)
2:Blue litmus papers remains blue.(basic or neutral)
3:blue litmus remains same.(basic or neutral)

Answer 2

Explanation:

If the colour of red litmus does not change then it is acid. If the colour of red litmus changes to blue then it is base. If there is slight change in the colour of red litmus (such as purple) then it is distilled water.