*1860843283*
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 60.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 20 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/8687/2] DC (DE/JG) 353358/4
OCR is an exempt Charity
Turn over
, 2
Section A
You should spend a maximum of 20 minutes on this section.
Write your answer to each question in the box provided.
1 Which state of matter is shown in the diagram?
A A gas
B A liquid
C A solid
D A solution
Your answer
2 24 g of magnesium reacts with oxygen to make 40 g of magnesium oxide.
What mass of magnesium oxide is made when 12 g of magnesium reacts?
A 20 g
B 24 g
C 36 g
D 40 g
Your answer
3 What type of change is shown in the diagram?
+
Iron Sulfur Iron sulfide
A A change of state
B A chemical change
© OCR 2025
, 3
C A physical change
D A reversible change
Your answer
4 The diagram shows a chemical reaction.
Balance
162.2g
Why does the mass on the balance decrease during the reaction?
A A gas is produced.
B A liquid is produced.
C A solid is produced.
D A solution is produced.
Your answer [1]
© OCR 2025
5 Methane reacts with oxygen to make carbon dioxide and water.
CH4 + 2O2 CO2 + 2H2O
Which chemical is being oxidised?
A CH4
B CO2
C H2O
D O2
Your answer
6 Which type of mixture can be separated using paper chromatography?
Turn over
, 4
A A mixture of gases.
B A mixture of insoluble liquids.
C A mixture of insoluble solids.
D A mixture of soluble liquids.
Your answer
7 Which particle in dilute hydrochloric acid, HCl, makes it acidic?
–
A Cl
B H+
C H2O
D OH–
Your answer
© OCR 2025
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 60.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 20 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/8687/2] DC (DE/JG) 353358/4
OCR is an exempt Charity
Turn over
, 2
Section A
You should spend a maximum of 20 minutes on this section.
Write your answer to each question in the box provided.
1 Which state of matter is shown in the diagram?
A A gas
B A liquid
C A solid
D A solution
Your answer
2 24 g of magnesium reacts with oxygen to make 40 g of magnesium oxide.
What mass of magnesium oxide is made when 12 g of magnesium reacts?
A 20 g
B 24 g
C 36 g
D 40 g
Your answer
3 What type of change is shown in the diagram?
+
Iron Sulfur Iron sulfide
A A change of state
B A chemical change
© OCR 2025
, 3
C A physical change
D A reversible change
Your answer
4 The diagram shows a chemical reaction.
Balance
162.2g
Why does the mass on the balance decrease during the reaction?
A A gas is produced.
B A liquid is produced.
C A solid is produced.
D A solution is produced.
Your answer [1]
© OCR 2025
5 Methane reacts with oxygen to make carbon dioxide and water.
CH4 + 2O2 CO2 + 2H2O
Which chemical is being oxidised?
A CH4
B CO2
C H2O
D O2
Your answer
6 Which type of mixture can be separated using paper chromatography?
Turn over
, 4
A A mixture of gases.
B A mixture of insoluble liquids.
C A mixture of insoluble solids.
D A mixture of soluble liquids.
Your answer
7 Which particle in dilute hydrochloric acid, HCl, makes it acidic?
–
A Cl
B H+
C H2O
D OH–
Your answer
© OCR 2025
