Question

Copper sulphate acid base in present of litmus test

Answer 1

In an alkaline solution, red litmus paperturns blue. When an alkaline compound dissolves in water, it produces hydroxide ions, which cause the solution to become alkaline. Red litmus paper can also be used to test the pH of a water-soluble gas by dampening the paper and exposing it to the gas.⭐

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Answer 2

Explanation:

Copper sulfate dissociates into copper and sulfate ions in water. ... This reaction results in a surplus of hydrogen (or hydronium) ions i.e. creating an acidic solution. Finally, acid solutions turn blue litmus paper red.