1
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
I declare this is my own work.
AQA GCSE
Chemistry Foundation F
(8462/2F)
Time allowed: 1 hour 45
Materials minutes
For this paper you must have: For Examiner’s Use
a ruler
Question Mark
a scientific calculator
the periodic table (enclosed). 1
2
Instructions
3
Use black ink or black ball-point pen. 4
Pencil should only be used for drawing. 5
Fill in the boxes at the top of this page.
Answer all questions in the spaces provided. Do not 6
write outside the box around each page or on blank 7
pages. 8
If you need extra space for your answer(s), use the lined pages
9
at the end of this book. Write the question number against your
answer(s). 10
Do all rough work in this book. Cross through any work you do not want
TOTAL
to be marked.
In all calculations, show clearly how you work out your answer.
Information
The maximum mark for this paper is 100.
The marks for questions are shown in brackets.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear
presentation in your answers.
AQA Chemistry Foundation (8462/2F) Question paper
SOLE Property of Tyrion's Chemistry Foundation (8462/2F)
, 2
Do not write
Outside the
Box
0 1 1 Pure water has a boiling point of ___ °C.
o Fill in the blank using options: 50, 100, 150.
(1 mark)
0 1 2 Tick one box: What is the pH of pure water?
o 4
o 7
o 10
(1 mark)
0 1 3 The students tested the pH of water using litmus paper and a pH
meter. Explain why the pH meter gives more accurate results.
(2 marks)
0 1 4 Students heated seawater to remove dissolved solids. Suggest two
pieces of equipment they should use for this experiment.
(2 marks)
0 1 5 Table 1 shows the mass of solids remaining after heating different
seawater samples:
Sample Mass of solids (g)
A 1.5
B 1.6
C 1.4
Calculate the mean mass of solids.
(2 marks)
AQA Chemistry Foundation (8462/2F) Question paper
, 3
Do not write
Outside the
Box
0 1 6 Sodium chloride is a dissolved solid in seawater. What color flame
is observed in a flame test for sodiumions?
o Tick one box:
▪ Yellow
▪ Green
▪ Crimson
(1 marks)
0 1 7 Chloride ions are tested using silver nitrate solution. What is the
color of the precipitate formed?
o Tick one box:
▪ White
▪ Brown
▪ Yellow
(1 marks)
0 1 8 Complete the sentence: Water used for drinking must be ___.
Choose from: potable, distilled, sterile.
(1 marks)
0 1 9 Suggest one reason why desalination is not widely used in
countries with limited energy resources.
(1 marks)
AQA Chemistry Foundation (8462/2F) Question paper
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
I declare this is my own work.
AQA GCSE
Chemistry Foundation F
(8462/2F)
Time allowed: 1 hour 45
Materials minutes
For this paper you must have: For Examiner’s Use
a ruler
Question Mark
a scientific calculator
the periodic table (enclosed). 1
2
Instructions
3
Use black ink or black ball-point pen. 4
Pencil should only be used for drawing. 5
Fill in the boxes at the top of this page.
Answer all questions in the spaces provided. Do not 6
write outside the box around each page or on blank 7
pages. 8
If you need extra space for your answer(s), use the lined pages
9
at the end of this book. Write the question number against your
answer(s). 10
Do all rough work in this book. Cross through any work you do not want
TOTAL
to be marked.
In all calculations, show clearly how you work out your answer.
Information
The maximum mark for this paper is 100.
The marks for questions are shown in brackets.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear
presentation in your answers.
AQA Chemistry Foundation (8462/2F) Question paper
SOLE Property of Tyrion's Chemistry Foundation (8462/2F)
, 2
Do not write
Outside the
Box
0 1 1 Pure water has a boiling point of ___ °C.
o Fill in the blank using options: 50, 100, 150.
(1 mark)
0 1 2 Tick one box: What is the pH of pure water?
o 4
o 7
o 10
(1 mark)
0 1 3 The students tested the pH of water using litmus paper and a pH
meter. Explain why the pH meter gives more accurate results.
(2 marks)
0 1 4 Students heated seawater to remove dissolved solids. Suggest two
pieces of equipment they should use for this experiment.
(2 marks)
0 1 5 Table 1 shows the mass of solids remaining after heating different
seawater samples:
Sample Mass of solids (g)
A 1.5
B 1.6
C 1.4
Calculate the mean mass of solids.
(2 marks)
AQA Chemistry Foundation (8462/2F) Question paper
, 3
Do not write
Outside the
Box
0 1 6 Sodium chloride is a dissolved solid in seawater. What color flame
is observed in a flame test for sodiumions?
o Tick one box:
▪ Yellow
▪ Green
▪ Crimson
(1 marks)
0 1 7 Chloride ions are tested using silver nitrate solution. What is the
color of the precipitate formed?
o Tick one box:
▪ White
▪ Brown
▪ Yellow
(1 marks)
0 1 8 Complete the sentence: Water used for drinking must be ___.
Choose from: potable, distilled, sterile.
(1 marks)
0 1 9 Suggest one reason why desalination is not widely used in
countries with limited energy resources.
(1 marks)
AQA Chemistry Foundation (8462/2F) Question paper
