Sun September 25, 2011 By:

you are provided with 3 test tubes which contain distilled water acidic and basic solution. if you are given blue litmus paper only how will you identify the nature of the the solutions in the three test tubes?

Expert Reply
Sun September 25, 2011

Dip fresh red litmus paper separately in three test tubes. The solution in which it turns red litmus to blue litmus contains basic solution. The blue litmus paper formed here can now be used to test the acidic solution. Now, put the  blue litmus paper in the remaining two test tubes. The solution in which it turns blue litmus paper to red contains acidic solution. The solution which has no effect on any litmus paper contains distilled water.

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