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first of all dip the red litmus paper in all solutions. if the red litmus turns blue, it means ithat the solution is basic.
since we have already identified the basic solution, we will pour it into other two test tubes.
the liquid which get warm after adding the basic solution is acidic. it is due to the process of neutralization in which the acid and bases react together and heat is evolved.if red litmus paper is dipped into the solution no colour change will be seen.
the last one which shows no effect contained distilled water. if red litmus paper is dipped into it, it will turn blue.
since we have already identified the basic solution, we will pour it into other two test tubes.
the liquid which get warm after adding the basic solution is acidic. it is due to the process of neutralization in which the acid and bases react together and heat is evolved.if red litmus paper is dipped into the solution no colour change will be seen.
the last one which shows no effect contained distilled water. if red litmus paper is dipped into it, it will turn blue.
gaurav123451:
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