Question

please answer fast......

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Answer 1

To change the colour of blue litmus paper to red, there must be a presence of acid. Dry HCl gas is not acidic because water is required for the dissociation of HCl into H+ and Cl-. Therefore, dry HCl gas is not acidic and will not change the colour of dry blue litmus paper.....

hope this answer is sufficient

Answer 2

♥ It is Because Acid Shows action or acidic property in Water or aqueous solution with ( -OH ) ions

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