A metal, ' X ', on treatment with sodium hydroxide liberates a gas ' G '. It also liberates the same gas, ' $G$ ' on treatment with dilute sulphuric acid. Based on above information, ' X ' and ' G ' respectively are
Explanation
Zinc reacts with sodium hydroxide to form zinc hydroxide and hydrogen gas. It also reacts with dilute sulphuric acid to form zinc sulphate and hydrogen gas. Therefore, 'X' is zinc and 'G' is sulphur dioxide is incorrect, but zinc and hydrogen is correct.
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