Choose whether the given statement is true/false:

Nitric acid turns red litmus blue.

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True

False

answer is B.

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Detailed Solution

The given statement is false.
Concept- Litmus paper is actually a piece of paper that is used to indicate the acidity and alkalinity of a substance.
In an acidic solution, red litmus will remain red, but the blue will turn red due to the acidic pH.
In an alkaline solution, red litmus will turn blue with an alkaline pH, but the blue will only remain blue.
Thus, when nitric acid comes into touch with red litmus paper, the colour of the paper does not change. The colour of the blue litmus paper only becomes red when it comes into touch with acid.
Thus, the given statement is false.
The correct statement is, “ Nitric acid does not change the colour of red litmus paper”.
Hence, the correct option is (2).

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