PAPER 1
Chemistry Mock
Upper Sixth Form
March 2020
INSTRUCTIONS
• Use black ink. HB pencil may be used for graphs and diagrams only.
• Complete the boxes above with your name, centre number and candidate
number.
• Answer all the questions.
• Write your answer to each question in the space provided.
• Additional paper may be used if required but you must clearly show
your candidate number, centre number and question number(s).
• Quality of extended responses will be assessed in questions marked with an
asterisk (*).
• Total marks = 100
Length: 2 hrs 15min Date: Start
, 2
SECTION A
You should spend a maximum of 20 minutes on this
section.
Write your answer to each question in the box provided.
Answer all the questions.
1 In the diagrams below, each box represents an orbital and each electron is shown as
an arrow.
Which diagram shows the correct arrangement of electrons in an atom of carbon?
2
2 p
A energ s
y
1
s
2
2 p
B energ s
y
1
s
2
2 p
C energ s
y
1
s
2
2 p
D energ s
y
1
s
Your answer [1]
, 3
2 Which statement about the reactions of halogens with halide ions is correct?
A I2(aq) can oxidise Br−
(aq). B Cl 2(aq) can reduce
Br−(aq). C Br−(aq) can
reduce Cl 2(aq). D Cl −(aq)
can oxidise I2(aq).
Your answer [1]
3 One molecule of a gas has a mass of 2.658 × 10−23 g.
What is a possible formula of the gas?
A CH4
B O2
C SO2
D SO3
Your answer [1]
4 In the laboratory, acid spills can be cleaned up and made safe by spreading
anhydrous sodium carbonate over the spill to neutralise the acid.
A student accidentally spills 50.0 cm3 of 2.00 mol dm−3 HCl (aq) on the bench.
What is the minimum mass of anhydrous sodium carbonate required to neutralise the
acid?
A 4.15 g
B 5.30 g
C 8.30 g
D 10.6 g
Your answer [1]
, 4
Turn over
Chemistry Mock
Upper Sixth Form
March 2020
INSTRUCTIONS
• Use black ink. HB pencil may be used for graphs and diagrams only.
• Complete the boxes above with your name, centre number and candidate
number.
• Answer all the questions.
• Write your answer to each question in the space provided.
• Additional paper may be used if required but you must clearly show
your candidate number, centre number and question number(s).
• Quality of extended responses will be assessed in questions marked with an
asterisk (*).
• Total marks = 100
Length: 2 hrs 15min Date: Start
, 2
SECTION A
You should spend a maximum of 20 minutes on this
section.
Write your answer to each question in the box provided.
Answer all the questions.
1 In the diagrams below, each box represents an orbital and each electron is shown as
an arrow.
Which diagram shows the correct arrangement of electrons in an atom of carbon?
2
2 p
A energ s
y
1
s
2
2 p
B energ s
y
1
s
2
2 p
C energ s
y
1
s
2
2 p
D energ s
y
1
s
Your answer [1]
, 3
2 Which statement about the reactions of halogens with halide ions is correct?
A I2(aq) can oxidise Br−
(aq). B Cl 2(aq) can reduce
Br−(aq). C Br−(aq) can
reduce Cl 2(aq). D Cl −(aq)
can oxidise I2(aq).
Your answer [1]
3 One molecule of a gas has a mass of 2.658 × 10−23 g.
What is a possible formula of the gas?
A CH4
B O2
C SO2
D SO3
Your answer [1]
4 In the laboratory, acid spills can be cleaned up and made safe by spreading
anhydrous sodium carbonate over the spill to neutralise the acid.
A student accidentally spills 50.0 cm3 of 2.00 mol dm−3 HCl (aq) on the bench.
What is the minimum mass of anhydrous sodium carbonate required to neutralise the
acid?
A 4.15 g
B 5.30 g
C 8.30 g
D 10.6 g
Your answer [1]
, 4
Turn over
