1. Write down the reaction for rate of reaction* **
***
Name ways of seeing if a chemical reaction is happening
Describe how we can measure how fast a chemical reaction is happening
Explain what rate of reaction is and how we work it out
Time
Volume (cm3)
0:00
0:15
0:30
0:45
1:00
1:15
1:30
1:45
2:00
2:15
2:30
Acid concentration
Time for cross to disappear
0.1M
0.5M 1M
Time
Mass (g)
0:00
0:30
1:00
1:30
2:00
2:30
3:00
3:30
4:00
4:30
5:00
Write down the reaction for rate of reaction

2. Q1. This label was on a bottle of stain remover.
When ‘Simply Amazing’ is mixed with water a reaction takes place which produces bubbles of oxygen gas.
(i)      Suggest a method that you could use to measure how quickly this reaction takes place. (2)
(ii)      Read the instructions on the label and then suggest how increasing the temperature of the water affects the rate of this reaction. (1)
(iii)     Suggest one other way in which the rate of a reaction can be changed. (1)
(Total 4 marks)
Q1.          This label was on a bottle of stain remover.
When ‘Simply Amazing’ is mixed with water a reaction takes place which produces bubbles of oxygen gas.
(i)      Suggest a method that you could use to measure how quickly this reaction takes place. (2)
(ii)      Read the instructions on the label and then suggest how increasing the temperature of the water affects the rate of this reaction. (1)
(iii)     Suggest one other way in which the rate of a reaction can be changed. (1)
(Total 4 marks)