Question 10
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution? (a) Basic (b) Either acidic or basic (c) Either acidic or neutral (d) Either basic or neutral
When phenolphthalein is added to an acidic solution, it gives
Question 3:
What happens to Red litmus paper when added to acid and base solution?