Question

You are given a blue colour solution after passing a gas it terms black which is the gas passed

Answer 1

Answer:

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Explanation:

⤵⤵⤵

↪↪✨water vapours✨

✨↪↪When an acid react with a metal it liberates hydrogen gas✨

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Answer 2

Answer:

Chemistry addresses topics such as how atoms and molecules interact via chemical bonds to form new chemical compounds.