Question

you are given 3 beakers a,b,c containing clear solution and a red litmus paper how will you identify which of them is acid and which is base

Answer 1

Answer:

Add few drops of solution from all three test tubes on the red litmus paper separately. The solution which turns red litmus to blue contains basic solution. Use this blue litmus paper to test the solutions in other two test tubes. The solution from the test tube which turns blue litmus paper to red will be the acidic solution and solution of the test tube which do not change either red or blue litmus paper contain water.

Explanation:

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Answer 2

Answer:

We can find out which of the beaker is acidic and which of them is basic with red litmus paper. We can do so by checking whether the red litmus turn blue, if it does it means that the beaker contains a base, but if it remains red that means the beakers contains an acid.