Reactions of metals with dilute acids
1 mark · EasyWhen magnesium reacts with dilute hydrochloric acid, what gas is produced?
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Hydrogen
Also accept: H2
Common mistakes: Oxygen; Carbon dioxide
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Marking points
B1 · 1 mark · Correctly identifies hydrogen as the gas produced.
Worked solution
When magnesium reacts with dilute hydrochloric acid, it produces hydrogen gas.