GEEKA QP 2F
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
COMBINED SCIENCE: TRILOGY
Foundation Tier
F
Chemistry Paper 2F
Time allowed: 1 hour 15 minutes
Materials
For Examiner’s Use
For this paper you must have:
a ruler Question Mark
a scientific calculator
1
the periodic table (enclosed).
2
Instructions 3
Use black ink or black ball-point pen.
4
Pencil should only be used for drawing.
Fill in the boxes at the top of this page. 5
Answer all questions in the spaces provided. 6
If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s).
Do all rough work in this book. Cross through any work you do not want to be TOTAL
marked.
In all calculations, show clearly how you work out your answer.
Information
The maximum mark for this paper is 70.
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.
*jun21 464c2F01*
IB/M/Jun21/E6 8464/C/2F
, 2
Do not write
outside the
box
0 1 Fresh water contains low levels of dissolved salts.
Water reacts with anhydrous copper sulfate in a reversible reaction.
The word equation for the reaction is:
water + anhydrous copper sulfate ⇌ hydrated copper sulfate
. How does the equation show that the reaction is reversible?
[1 mark]
. Complete the sentences.
Choose answers from the box.
[2 marks]
blue green orange white yellow
The colour of anhydrous copper sulfate is .
The colour of hydrated copper sulfate is .
*02*
IB/M/Jun21/8464/C/2F
, 3
Do not write
outside the
box
0 1 .3 Figure 1 shows anhydrous copper sulfate in a sealed container.
Figure 1
Suggest one reason why anhydrous copper sulfate is kept in a sealed container.
[1 mark]
Question 1 continues on the next page
*03*
IB/M/Jun21/8464/C/2F
, 4
Turn over ► Do not write
outside the
*03*
IB/M/Jun21/8464/C/2F
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
COMBINED SCIENCE: TRILOGY
Foundation Tier
F
Chemistry Paper 2F
Time allowed: 1 hour 15 minutes
Materials
For Examiner’s Use
For this paper you must have:
a ruler Question Mark
a scientific calculator
1
the periodic table (enclosed).
2
Instructions 3
Use black ink or black ball-point pen.
4
Pencil should only be used for drawing.
Fill in the boxes at the top of this page. 5
Answer all questions in the spaces provided. 6
If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s).
Do all rough work in this book. Cross through any work you do not want to be TOTAL
marked.
In all calculations, show clearly how you work out your answer.
Information
The maximum mark for this paper is 70.
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.
*jun21 464c2F01*
IB/M/Jun21/E6 8464/C/2F
, 2
Do not write
outside the
box
0 1 Fresh water contains low levels of dissolved salts.
Water reacts with anhydrous copper sulfate in a reversible reaction.
The word equation for the reaction is:
water + anhydrous copper sulfate ⇌ hydrated copper sulfate
. How does the equation show that the reaction is reversible?
[1 mark]
. Complete the sentences.
Choose answers from the box.
[2 marks]
blue green orange white yellow
The colour of anhydrous copper sulfate is .
The colour of hydrated copper sulfate is .
*02*
IB/M/Jun21/8464/C/2F
, 3
Do not write
outside the
box
0 1 .3 Figure 1 shows anhydrous copper sulfate in a sealed container.
Figure 1
Suggest one reason why anhydrous copper sulfate is kept in a sealed container.
[1 mark]
Question 1 continues on the next page
*03*
IB/M/Jun21/8464/C/2F
, 4
Turn over ► Do not write
outside the
*03*
IB/M/Jun21/8464/C/2F
