3.x Concentration And Rate Analysis (GCSE Chemistry)

The following is a GCSE Chemistry test covering '3.x Concentration And Rate Analysis'

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Question 1

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What apparatus measures time in rate of reaction experiments?

What`s meant by mean rate of reaction?

If concentration doubles, what typically happens to reaction rate?

What does a curve levelling off in a reaction graph suggest?

Why is acid usually in excess during reactions with magnesium?

If graph gradient gets shallower, what is happening to reaction rate?

In rate graphs, how do we identify a rapid initial rate?

Why does increased concentration make reactions faster, according to collision theory?

How does decreasing particle concentration impact the collisions between particles?

Which best describes direct proportionality between two variables?

Choosing two points on a reaction graph gives us what?

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