Exam (elaborations)
GCSE AQA JUNE 2024 HIGHER TRIPLE SCIENCE CHEMISTRY PAPER 2 QP
GCSE AQA JUNE 2024 HIGH TRIPLE SCIENCE CHEMISTRY PAPER 2 REVISION AID ACTUAL QUESTIONS GURANTEED SUCCESS!!
[Show more]
1 review
By: priya-ravindran • 8 months ago
By: EXPERTIPS • 8 months ago
Thank you for 5star review pass exams
Content preview
Please write clearly in block capitals.Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
CHEMISTRY
Higher Tier Paper 2
H
Tuesday 13 June 2023 Morning Time allowed: 1 hour 45 minutes
Materials
For this paper you must have: For Examiner’s Use
a ruler
a scientific calculator Question Mark
the periodic table (enclosed). 1
2
Instructions
Use black ink or black ball-point pen. 3
Pencil should only be used for drawing. 4
Fill in the boxes at the top of this page.
5
Answer all questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 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). 8
Do all rough work in this book. Cross through any work you do not want
to be marked. 9
In all calculations, show clearly how you work out your answer. 10
TOTAL
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.
, 2
Do not write
outside the
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]
, Do not write
outside the
0 1 . 2 The student calculated the rate of the reaction for each trial. box
Table 1 shows the results of the calculations.
Table 1
Trial 1 Trial 2 Trial 3 Trial 4
Rate of reaction in cm3/s 0.78 0.81 0.68 0.81
Determine the mean time taken to collect 20 cm3 of gas.
Do not include any anomalous results.
Use the equation:
volume of gas collected
mean rate of reaction =
mean time taken
[5 marks]
, 3
Mean time taken = s
Question 1 continues on the next page
Want to earn £756
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller EXPERTIPS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
64438 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now