Question

given to test tube A and B containing blue and red litmus solution respectively a solution with PH 2 is added in both the test tube what colour change will be observed in both the test tube

Answer 1

a solution with pH 2 is acidic in nature.
thus it will turn blue litmus in test tube A to red and it will have no effect on test tube B containing red litmus solution.
hope it helpzzz u ☺️

Answer 2

Answer:

Acid changes blue litmus red while base changes red litmus blue. Sinceblue litmus solution is added in both test tube, so the colour change isobserved in test tube in which acid is present and color changes from blueto red.