MEDIUM
7th Punjab Board
IMPORTANT
Earn 100
Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.
Important Questions on Acids, Bases and Salts
MEDIUM
7th Punjab Board
IMPORTANT
(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.
Which of these statements are correct?
