AQA GCSE CHEMISTRY PAPER 2 QUESTION PAPER 2023 (8462/2H: Higher Tier)

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AQA GCSE CHEMISTRY PAPER 2 QUESTION PAPER 2023 (8462/2H: Higher Tier). DOWNLOAD OFFICIAL AND VERIFIED AQA GCSE CHEMISTRY PAPER 2 QUESTION PAPER 2023 ON www.leak...

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AQA GCSE CHEMISTRY PAPER 2 QUESTION PAPER 2023 (8462/2H: Higher Tier). DOWNLOAD OFFICIAL AND VERIFIED AQA GCSE CHEMISTRY PAPER 2 QUESTION PAPER 2023 ON www.leakedexams.com.

0 1 box A student investigated the rate of the reaction between zinc and sulfuric acid.
Hydrogen gas is produced during this reaction.
Figure 1 shows the apparatus.
Figure 1
This is the method used.
1. Add 50 cm3 of sulfuric acid to a conical flask.
2. Add 2.0 g of zinc to the conical flask.
3. Quickly put a stopper in the conical flask and start a timer.
4. Measure the time taken to collect 20 cm3 of gas.
5. Repeat steps 1 to 4 three more times.
0 1 . 1 Suggest why the stopper must be put in the conical flask as quickly as possible in
step 3.
[1 mark]

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Author	OCR KING
Published	30 Jul 2024
Included files	PDF
8462 8462/2H AQA GCSE CHEMISTRY PAPER 2 QUESTION PAPER 2023 AQA GCSE CHEMISTRY PAPER 2 AQA GCSE CHEMISTRY PAPER 2 2023 AQA GCSE CHEMISTRY PAPER 2 AQA AQA CHEMISTRY 2023 AQA CHEMISTRY CHEMISTRY 2023 CHEMISTRY