Chemical Kinetics

question 1 of 16 Grade: Form 3
question 1 of 16 Grade: Form 3

Q: Magnesium reacts with an excess of dilute hydrochloric acid. The graph shows how the volume of hydrogen gas given off changes with time. Why is the graph horizontal at Y?

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The adrenal glands (W) produce adrenaline, which prepares the body to react to an emergency.

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