Chemistry WAEC

The diagram became horizontal at X because?

The following diagram illustrates the rate curve that was obtained when Mg reacted with excess dilute HCl.

A. The reaction was slowed down
B. All the dilute HCl has reacted
C. All the Mg has reacted
D. Hydrogen gas is produced at a steady rate

Correct Answer: Option D

D. Hydrogen gas is produced at a steady rate

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