Rates of reaction - Edexcel

1

What name is given to the amount of energy needed by particles for them to react when they collide?

2

What piece of apparatus could be used to measure the volume of gas produced in a reaction?

3

Which of the following is a possible unit for rate of reaction?

4

Which of the following would speed up a reaction?

5

Which of the following will increase the frequency of successful collisions?

6

Which of the following has the smallest surface area to volume ratio?

7

Which of the following statements explains why an increase in the acid concentration, increases the rate of reaction between magnesium and sulfuric acid?

8

Which of the following statements about catalysts is false?

9

When a dilute acid is added to sodium thiosulphate solution a precipitate of sulfur slowly forms. Which of the following measurements could be made to compare the rates of this reaction using different concentrations of acid?

10

Which of the following would give a steeper curve on a graph of volume of gas produced against time?