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Question

Making use of any of the substances given, write the balanced equations for the reactions by which you could obtain hydrogen gas.

Dilute sulphuric acid, sodium carbonate, zinc, sodium sulphite, lead, calcium carbonate.

A
Zn+H2SO4(dil)ZnSO4+H2
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B
2Zn+H2SO4(dil)2ZnSO4+H2
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C
Zn+4H2SO4(dil)4ZnSO4+2H2
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D
2Zn+2H2SO4(dil)2ZnSO4+2H2
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