EDEXCEL GCSE COMBINED SCIENCE CHEMISTRY MAY JUNE 2025 PAPER 2 H QUESTION PAPER FOR MOCKS

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Edexcel GCSE Mock papers
Edexcel GCSE May June 2025 papers




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EDEXCEL GCSE COMBINED SCIENCE CHEMISTRY MAY JUNE 2025 PAPER 2 H QUESTION PAPER FOR
MOCKS

,
, tyrionpapers.com



Answer ALL questions. Write your answers in the spaces provided.

Some questions must be answered with a cross in a box . If you change your mind about an




DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 When solutions P and Q are mixed together, a purple mixture forms.
This mixture slowly becomes colourless.
(a) A student pours 25 cm3 of solution P into a conical flask and then adds
25 cm3 of solution Q.
The student uses a beaker to measure out these volumes.
Name a piece of apparatus that could be used to measure these volumes
more accurately.
(1)

. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .



(b) The student investigates this reaction using the apparatus shown in Figure 1.
The student measures the time taken for the cross to become visible.
The experiment is repeated at different temperatures.

eye




reaction mixture

paper with black cross


Figure 1
Figure 2 shows the results.


temperature in °C time in s

20 45

40 19

60 10


Figure 2




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