Chemistry 5070 · O Level · Rate of reaction

Rate of reaction — practice question

A student puts excess zinc into hydrochloric acid and notes the volume of hydrogen gas released at regular time intervals. In experiment 2, the student alters one condition. The volume of hydrochloric acid is unchanged in both experiments.

(main)[1]

Which condition is different in experiment 2?

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Option D” …

Full mark scheme, point by point
Step-by-step worked solution
Write your answer & get it marked instantly by AI