, 2
Section A
You should spend a maximum of 30 minutes on this section. Write
your answer to each question in the box provided.
1 Butane is an alkane.
What is a use for butane?
A Ceramics
B Fertiliser
C Fuel
D Surfacing roads
Your answer [1]
2 A student adds sodium hydroxide to a solution containing copper ions.
Which colour precipitate is made?
A Blue
B Green
C Orange-brown
D White
Your answer [1]
3 Which molecule can be cracked to make octane, C8H18?
A C6H12
B C6H14
C C8H16
D C12H26
Your answer [1]
© OCR 2025
, 3
4 What is a property of a Group 1 metal?
A Brittle
B Does not conduct electricity
C Forms coloured compounds
D Low density
Your answer [1]
5 Crude oil is separated into fractions by fractional distillation.
X
50 °C
120 °C
250 °C
Crude oil vapour 350 °C
Which fraction is obtained at X?
A Bitumen
B Diesel
C LPG
D Petrol
Your answer [1]
© OCR 2025 Turn over
, 4
6 Magnesium reacts with excess hydrochloric acid.
What would increase the rate of the reaction?
A Use a larger volume of hydrochloric acid.
B Use a smaller beaker for the reaction.
C Use larger pieces of magnesium.
D Use more concentrated hydrochloric acid.
Your answer [1]
7 A student measures the volume of gas made during a reaction.
The graph shows their results.
60
50
40
Volume of
gas 30
(cm3)
20
10
0
0 5 10 15 20 25 30 35 40
Time (s)
Which statement about the reaction is not correct?
A The final volume of gas made is 60 cm3.
B The rate of reaction speeds up during the reaction.
C The reaction finishes at 30 s.
D The volume of gas made increases during the reaction.
Your answer [1]
© OCR 2025
Section A
You should spend a maximum of 30 minutes on this section. Write
your answer to each question in the box provided.
1 Butane is an alkane.
What is a use for butane?
A Ceramics
B Fertiliser
C Fuel
D Surfacing roads
Your answer [1]
2 A student adds sodium hydroxide to a solution containing copper ions.
Which colour precipitate is made?
A Blue
B Green
C Orange-brown
D White
Your answer [1]
3 Which molecule can be cracked to make octane, C8H18?
A C6H12
B C6H14
C C8H16
D C12H26
Your answer [1]
© OCR 2025
, 3
4 What is a property of a Group 1 metal?
A Brittle
B Does not conduct electricity
C Forms coloured compounds
D Low density
Your answer [1]
5 Crude oil is separated into fractions by fractional distillation.
X
50 °C
120 °C
250 °C
Crude oil vapour 350 °C
Which fraction is obtained at X?
A Bitumen
B Diesel
C LPG
D Petrol
Your answer [1]
© OCR 2025 Turn over
, 4
6 Magnesium reacts with excess hydrochloric acid.
What would increase the rate of the reaction?
A Use a larger volume of hydrochloric acid.
B Use a smaller beaker for the reaction.
C Use larger pieces of magnesium.
D Use more concentrated hydrochloric acid.
Your answer [1]
7 A student measures the volume of gas made during a reaction.
The graph shows their results.
60
50
40
Volume of
gas 30
(cm3)
20
10
0
0 5 10 15 20 25 30 35 40
Time (s)
Which statement about the reaction is not correct?
A The final volume of gas made is 60 cm3.
B The rate of reaction speeds up during the reaction.
C The reaction finishes at 30 s.
D The volume of gas made increases during the reaction.
Your answer [1]
© OCR 2025
