Reactions of acids

2 marks · Normal

State the products when zinc reacts with dilute sulfuric acid. Write a balanced chemical equation for this reaction.

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Also accept: Products: zinc sulfate and hydrogen gas.; Zn(s) + H2SO4(aq) -> ZnSO4(aq) + H2(g)

Common mistakes: Incorrect balancing; confusing products with other acids.

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Marking points

B1 · 1 mark · States both products correctly: zinc sulfate and hydrogen (accept correct formulae).

B2 · 1 mark · Writes the fully balanced chemical equation: Zn(s) + H2SO4(aq) -> ZnSO4(aq) + H2(g)

Worked solution

When zinc reacts with dilute sulfuric acid, the products are zinc sulfate and hydrogen gas.