Which of the following pairs of reagents reat to produce hydrogen?

A. Zinc and concentrated trioxonitrate (V) acid
B. Water and calcium dicarbide
C. Copper and dilute hydrochloric acid
D. Magnesium and dilute tetraoxosulphate (VI) acid

Correct Answer: Option D

D. Magnesium and dilute tetraoxosulphate (VI) acid

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