1.

You have been provided with three test tubes. One of them containsdistilled water and the other two contain an acidic solution and a basicsolution, respectively. If you are given only red litmus paper, how willyou identify the contents of each test tube?

Answer»

if we dip the red litmus paper in distilled water no reaction will take place.if we dip in an acidic solution it will remain red in colour but if we dip in the basic solution the red litmus paper will turn blue.


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