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When a gas ‘X’ reacts with lime water, a compound ‘Y’ is formed. If both X and Y are used as a bleaching agent in chemical industry, then X is__ ?

Correct Answer: Chlorine

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Chemistry MCQ: When a gas ‘X’ reacts with lime water, a compound ‘Y’ is formed. If both X and Y are used as a bleaching agent in chemical industry, then X is__ ? | Extra Education