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OCR Higher GCSE Combined Science Chemistry A Gateway Science J250_09: Paper 9 (Higher Tier) question-paper june 2024 $16.49   Add to cart
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OCR Higher GCSE Combined Science Chemistry A Gateway Science J250_09: Paper 9 (Higher Tier) question-paper june 2024
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OCR Higher GCSE Combined Science Chemistry A Gateway Science J250_09: Paper 9 (Higher Tier) question-paper june 2024

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  • November 1, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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Oxford Cambridge and RSA
H
Please write clearly in black ink. Do not write in the barcodes.
First name(s)
Last name
Centre number
Candidate number
OCR is an exempt Charity
Turn over
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.
You must have:
· a ruler (cm/mm)
· the Data Sheet for GCSE (9·1) Combined Science A
(Chemistry) (inside this document)
You can use:
· a scientific or graphical calculator
· an HB pencil
Friday 17 May 2024 · Morning
GCSE (9·1) Combined Science A
(Gateway Science)
J250/09 Chemistry (Higher Tier)
Time allowed: 1 hour 10 minutes
*
J
2
5
0
0
9
*
*9982803754*
© OCR 2024 [601/8687/2]
DC (PQ/JG) 321745/5

, 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 The diagram represents the particle model for a change in the arrangement of some particles.




Which row describes this change?

Type of change Explanation

A chemical The particles break up and then join together in a different way.

B chemical The particles stay the same but are arranged in a different way.

C physical The particles break up and then join together in a different way.

D physical The particles stay the same but are arranged in a different way.



Your answer [1]


2 Which element in the table is a non-metal?

Appearance at
Melting point (°C) Electrical conductivity
room temperature

A silver liquid –39 high

B orange-red solid 1083 high

C yellow solid 113 low

D silvery-white 3422 high



Your answer [1]




© OCR 2024

, 3
3 The graph shows how the temperature of two samples of a substance, Y and Z, changes as they
melt from solids to liquids.




Z

Temperature (°C)
Y




Time (minutes)

Which row describes Y and Z?

Y Z

A impure impure

B impure pure

C pure impure

D pure pure



Your answer [1]


4 This is the equation for the reaction between copper carbonate and dilute hydrochloric acid:

CuCO3(s) + 2HCl(aq) CuCl 2(…) + CO2(g) + H2O(l)

What is the state symbol for CuCl 2?

A aq

B g

C l

D s


Your answer [1]




© OCR 2024 Turn over

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