You have a moist red litmus paper with you. Identify the three samples A, B, and C as acid, base and distilled water in three sentences​.

Answer:

look you have a red litmus paper so firstly dip the paper in all the solutions if the red litmus turns to blue that means the solution is base and then dip the blue litmus in remaining two solutions of the colour of blue litmus tuta to red that means the solution is acid and the remaining solution is distilled water.