Question

A student dips pH paper in solution 'A' and 'B' . He observes orange and bluecolour in 'A' and 'B' respectively. Identify which of the following statement is correct? i. 'A' is Acetic acid and 'B' is Sodium bicarbonate ii. 'A' is Sodium bicarbonate and 'B' is Acetic acid iii. 'A' is NaOH solution and 'B' is HCI solution iv. 'A' is Na2C03 solution and 'B' is Oxalic

Answer 1

sodium bicarbonate and acetic acid