Question

A litmus paper was dropped into 2ml dilute HCI. then 2ml concentrated NaOH was added to it and stirred.
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Answer 1

Answer:

A litmus paper was dropped into 2ml dilute HCI. then 2ml concentrated NaOH was added to it and stirred.

Then the blue litmus paper turns into red colour.

And there is no change in the red litmus paper.