Acidic,basic andneutral solution are given in three test tubes and you are given a strip of red litmus? How will you identify the three solutions?
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We will dip the red litmus paper in all the three test tubes one by one, and stop when it turns blue. The test tube turning it blue will be marked as a base. Thereafter , we will take our litmus paper(which is blue now ) and dip it in the rest of the tubes
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