Question

You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents ofeach test tube?

Answer 1

DISTILLED WATER : The red litmus paper does not change the colour.

ACIDIC SOLUTION : Only one test tube is left then that's comman sense this is acidic.Cause even it does not change the color.

BASIC SOLUTION : Red litmus paper turns into blue.

Answer 2

Answer:

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.