Question

10. Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution?
Explain. 11. Consider the following statements: (a) Both acids and bases change colour of all indicators (b) If an indicator gives a colour change with an acid, it does not give a change with a base. (c) If an indicator changes colour with a base, it does not change colour with an acid. (d) Change of colour in an acid and a base depends on the type of the indicator​

Answer 1

Answer:

First need to know that for which the colour change

Explanation:

Blue litmus is changed to red while it reacts with acids

Red litmus will change toblue while reacts with alkaline