Exam (elaborations)
ocr GCSE Chemistry A (Gateway Science)Paper 3 Question Paper May 2024 J248/03 (Higher Tier)
- Course
- Institution
ocr GCSE Chemistry A (Gateway Science)Paper 3 Question Paper May 2024 J248/03 (Higher Tier)
[Show more]
Seller
Follow
Content preview
ocrFriday 17 May 2024 – Morning
GCSE (9–1) Chemistry A (Gateway Science)
J248/03 (Higher Tier)
Time allowed: 1 hour 45 minutes
H
You must have:
a ruler (cm/mm)
the Data Sheet for GCSE (9–1) Chemistry A (inside this document)
You can use:
a scientific or graphical calculator
an HB pencil
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
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 90.
• 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 28 pages.
ADVICE
• Read each question carefully before you start your answer.
final
,Turn over
, 2
Section A
You should spend a maximum of 30 minutes on this section.
Write your answer to each question in the box provided.
1 Which property is characteristic of a metal?
A It forms acidic oxides.
B It is brittle.
C It is malleable.
D It reacts with acid to form carbon dioxide gas.
Your answer [1]
2 Graphite and graphene are allotropes of carbon.
Which statement is correct about graphite and graphene?
A Graphite has delocalised electrons, graphene uses all electrons in bonding.
B Graphite has four bonds from each carbon atom, graphene only has three.
C Graphite is a giant covalent structure, graphene is not.
D Graphite is made up of layers, graphene is a single layer.
Your answer [1]
3 A lithium ion is Li+ and a phosphate ion is PO 43–.
What is the formula of lithium phosphate?
A Li(PO4)3
B Li2PO4
C Li2(PO4)3
D Li3PO4
Your answer [1]
final
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 or Stuvia-credit 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 brittanyhays65. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75619 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now