Question

Q. 15 If your class teacher gives you two test tubes, one with acidic solution and another
with basic solution. She has given you only blue litmus paper. How will you
given substances?

Answer 1

Answer:

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 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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