CH-715
Surface area
Chemistry · Secondary 3 · Medium · Surface area
Which statement explains why the reaction between magnesium ribbon and dilute hydrochloric acid is faster when the ribbon is cut into small pieces?
- The total surface area of magnesium in contact with the acid increases.
- The activation energy of the reaction becomes lower.
- The temperature of the acid increases automatically.
- The concentration of hydrochloric acid increases.
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