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Question
Which of the following reacts with hydrochloric acid to give hydrogen as a product?
Options
Zn
Sodium carbonate
Sodium sulphate
Sodium nitrate
MCQ
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Solution
Zn
Explanation:
Zinc is an active metal positioned above hydrogen in the reactivity series. It displaces hydrogen from dilute hydrochloric acid to produce zinc chloride and liberate hydrogen gas (H2).
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