Powdered marble reacts faster with dilute hydrochloric acid than pieces of marble because
A. the powder has a higher concentration
B. the powder has a larger surface area
C. the powder is at a higher temperature
D. the powder acts as a catalyst
1 answer
Best answer
Answer: B. the powder has a larger surface area
Powdering increases the surface area in contact with the acid, which increases the rate of reaction.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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