Out of the following options, select all the compounds that can change the colour of wet blue litmus paper into the red colour?

Ammonia

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Nitric acid

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Sulphuric Acid

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Hydrochloric acid

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Solution

The correct options are
B
Nitric acid

C
Sulphuric Acid

D
Hydrochloric acid

Ammonia being alkaline in nature so it turns wet red litmus blue.

Sulphuric acid, Hydrogen Chloride and Nitric acid are all acids. They change the colour of wet blue litmus to red.

So the correct options are Sulphuric acid, Hydrogen Chloride and Nitric acid.

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