EXAMBANK
BEST REVIEWS GCSE(9–
1)ChemistryA(GatewayScience)
J248/03
OCR
EXAMBANK
3/24/2025
, OxfordCambridgeandRSA
Friday17May2024– Morning
GCSE(9–1)ChemistryA(GatewayScience)
J248/03(HigherTier)
Timeallowed:1hour45 minutes
*1374577712*
Youmusthave:
• a ruler (cm/mm)
• theDataSheetforGCSE(9–1)ChemistryA(inside this
document)
H
Youcanuse:
• ascientificorgraphical calculator
• anHB pencil
* J 2 4 8 0 3 *
Pleasewriteclearlyinblackink.Donotwriteinthebarcodes.
Centrenumber Candidatenumber
First name(s)
Last name
INSTRUCTIONS
• Useblackink.YoucanuseanHBpencil,butonlyforgraphsand diagrams.
• Write your answer to each question in the space provided. If you need extra space use
thelinedpagesattheendofthisbooklet.Thequestionnumbersmustbeclearlyshown.
• Answerallthe questions.
• Whereappropriate,youranswershouldbesupportedwithworking.Marksmightbe given
for using a correct method, even if your answer is wrong.
INFORMATION
• Thetotalmarkforthispaperis 90.
• Themarksforeachquestionareshowninbrackets[].
• Qualityofextendedresponsewillbeassessedinquestionsmarkedwithanasterisk(*).
• Thisdocument has28 pages.
ADVICE
• Readeachquestioncarefullybeforeyoustartyour answer.
©OCR2024[601/8663/X] OCRisanexempt Charity
DC (CJ/FC) 339903/6 Turnover
,
, 2
SectionA
Youshouldspendamaximumof30minutesonthissection. Write
your answer to each question in the box provided.
1 Whichpropertyis characteristicofa metal?
A Itforms acidic oxides.
B It is brittle.
C It is malleable.
D Itreactswithacidtoformcarbondioxidegas.
Youranswer [1]
2 Graphiteandgrapheneareallotropesof carbon.
Whichstatementiscorrectaboutgraphiteandgraphene?
A Graphitehasdelocalisedelectrons,grapheneusesallelectronsin bonding.
B Graphitehasfourbondsfromeachcarbonatom,grapheneonlyhas three.
C Graphiteisagiantcovalentstructure,grapheneisnot.
D Graphiteismadeupoflayers,grapheneisasingle layer.
Youranswer [1]
3 Alithium ion is Li+ and a phosphate ion isPO3–4.
Whatistheformulaoflithiumphosphate?
A Li(PO4)3
B Li2PO4
C Li2(PO4)3
D Li3PO4
Youranswer [1]
©OCR2024
BEST REVIEWS GCSE(9–
1)ChemistryA(GatewayScience)
J248/03
OCR
EXAMBANK
3/24/2025
, OxfordCambridgeandRSA
Friday17May2024– Morning
GCSE(9–1)ChemistryA(GatewayScience)
J248/03(HigherTier)
Timeallowed:1hour45 minutes
*1374577712*
Youmusthave:
• a ruler (cm/mm)
• theDataSheetforGCSE(9–1)ChemistryA(inside this
document)
H
Youcanuse:
• ascientificorgraphical calculator
• anHB pencil
* J 2 4 8 0 3 *
Pleasewriteclearlyinblackink.Donotwriteinthebarcodes.
Centrenumber Candidatenumber
First name(s)
Last name
INSTRUCTIONS
• Useblackink.YoucanuseanHBpencil,butonlyforgraphsand diagrams.
• Write your answer to each question in the space provided. If you need extra space use
thelinedpagesattheendofthisbooklet.Thequestionnumbersmustbeclearlyshown.
• Answerallthe questions.
• Whereappropriate,youranswershouldbesupportedwithworking.Marksmightbe given
for using a correct method, even if your answer is wrong.
INFORMATION
• Thetotalmarkforthispaperis 90.
• Themarksforeachquestionareshowninbrackets[].
• Qualityofextendedresponsewillbeassessedinquestionsmarkedwithanasterisk(*).
• Thisdocument has28 pages.
ADVICE
• Readeachquestioncarefullybeforeyoustartyour answer.
©OCR2024[601/8663/X] OCRisanexempt Charity
DC (CJ/FC) 339903/6 Turnover
,
, 2
SectionA
Youshouldspendamaximumof30minutesonthissection. Write
your answer to each question in the box provided.
1 Whichpropertyis characteristicofa metal?
A Itforms acidic oxides.
B It is brittle.
C It is malleable.
D Itreactswithacidtoformcarbondioxidegas.
Youranswer [1]
2 Graphiteandgrapheneareallotropesof carbon.
Whichstatementiscorrectaboutgraphiteandgraphene?
A Graphitehasdelocalisedelectrons,grapheneusesallelectronsin bonding.
B Graphitehasfourbondsfromeachcarbonatom,grapheneonlyhas three.
C Graphiteisagiantcovalentstructure,grapheneisnot.
D Graphiteismadeupoflayers,grapheneisasingle layer.
Youranswer [1]
3 Alithium ion is Li+ and a phosphate ion isPO3–4.
Whatistheformulaoflithiumphosphate?
A Li(PO4)3
B Li2PO4
C Li2(PO4)3
D Li3PO4
Youranswer [1]
©OCR2024
