you are provided by three test tube A,B and C with contain distilled water ,acidic solution ad basic solution respectively. if you are given blue litmus blue paper only how will you identify the contents of its test tube ?
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tube A---------
tube B---------
tube C---------
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take a litmus paper and pour it on one test tube if it changed into red then it is acid and then pour it on second test tube then the red litmus change into blue then it is base and then pour it in third one if it doesn't change then it is water
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