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?

Which term describes the speed at which a chemical reaction takes place?

Why is acid usually in excess during reactions with magnesium?

If the volume of gas produced stays constant towards the end, what does this imply?

Choosing two points on a reaction graph gives us what?

What`s meant by mean rate of reaction?

What measurement could indicate the rate of a reaction producing hydrogen gas?

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

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

What`s the proper unit for measuring concentration of a solution?

Why might two concentration curves on reaction graphs level off at the same volume point of gas produced?

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