CAIE A-Level Chemistry AS 8.1.2 Questions
Practise explaining how concentration, pressure, surface area, temperature and catalysts affect reaction rate using CAIE 9701 AS questions and mark schemes.
- Syllabus
- 2028–2030
- Course
- Chemistry 9701
- Level
- AS
Exam points
- Explain how concentration, pressure, surface area, temperature and catalysts affect the rate of a chemical reaction.
CAIE A-Level Chemistry AS 8.1.2 Questions question 1
The decomposition of hydrogen peroxide in the presence of produces water and oxygen gas.
The volume of gas collected when 0.2 g of is added to two different hydrogen peroxide solutions at is shown on the graph as curves X and Y .
Which row shows the conditions that will result in curves X and Y ?
volume of
concentration of
form of
volume of
concentration of
form of
50
0.1
lumps
50
0.2
powder
25
0.2
powder
25
0.1
lumps
50
0.1
lumps
20
0.2
powder
20
0.2
powder
40
0.1
lumps
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