Question

You are provided three test tubes. one of them contains distilled water and the other two contain the acidic solution and a basic solution. if you are given red litmus paper, how will you identify the contents of each tube

Answer 1

Answer:

take 3 pieces of litmus paper and drop it in each of the solution it will change blue with base and no change with acid.

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Answer 2

By tearing red litmus into three pieces, put each piece in each test tube.

(1)- The test tube in which it remains red is the one with acidic solution.

(2)- The test tube in which it turns green, is the one with distilled water(bcz it is neutral)

(3)- The test tube in which it turns blue will be the one with basic solution.

Hope it helps!