CH-1672
Surface area
Chemistry · Secondary 4 · Medium · Surface area
Magnesium reacts with dilute hydrochloric acid to form hydrogen gas. Which change will increase the rate of reaction without changing the amount of hydrogen produced?
- Using powdered magnesium instead of a strip.
- Using twice the volume of acid of the same concentration.
- Using acid of lower concentration.
- Removing half of the magnesium metal.
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