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AS Level Chemistry A H032/01 Breadth in chemistry Sample Question Paper $9.29   Add to cart

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AS Level Chemistry A H032/01 Breadth in chemistry Sample Question Paper

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How many electrons are in a 12Mg 24 2+ ion? A 10 B 12 C 14 D 22 Your answer [1] 2 What is the formula of chromium(III) sulfate? A Cr3SO4 B Cr(SO4)3 C Cr2(SO4)3 D Cr3SO3 Your answer [1] 3 Which molecule is non-polar? A SF6 B H2S C PF3 D NH3 Your answer [1] 3 © OCR 2021 H032/01...

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  • June 29, 2022
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  • 2021/2022
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ocr chemistry




AS Level Chemistry A
H032/01 Breadth in chemistry
Sample Question Paper

Date – Morning/Afternoon Version 2.1
Time allowed: 1 hour 30 minutes


You m ust have:
• the Data Sheet for Chemistry A
You m ay use:
• a scientific or graphical calculator




* 0 0 0 0 0 0 *




First name

Last name

Centre Candidate
number number


INSTRUCTIONS
• Use black ink. You may use an HB pencil for graphs and diagrams.
• Complete the boxes above with your name, centre number and candidate number.
• Answer all the questions.
• Where appropriate, your answers should be supported with working. Marks may
be given for a correct method even if the answer is incorrect.
• Write your answer to each question in the space provided.
• Additional paper may be used if required but you must clearly show your candidate
number, centre number and question number(s).
• Do not write in the bar codes.

INFORMATION
• The total mark for this paper is 70.
• The marks for each question are shown in brackets [ ].
• This document consists of 28 pages.




© OCR 2021 H032/01
[601/5256/4] DC (…) Turn over

, 2

SECTION A

You should spend a maximum of 25 minutes on this section.

Answer all the questions.

1 How many electrons are in a 24Mg2+
12 ion?

A 10

B 12

C 14

D 22


Your answer
[1]

2 What is the formula of chromium(III) sulfate?

A Cr3 SO4

B Cr(SO4 )3

C Cr2 (SO4 )3

D Cr3 SO3


Your answer
[1]

3 Which molecule is non-polar?

A SF6

B H2 S

C PF3

D NH3


Your answer
[1]




© OCR 2021 H032/01

, 3

4 Which row is correct?

Highest pH when added to water Most reactive halogen
A MgO F2
B MgO I2
C BaO F2
D BaO I2



Your answer
[1]

5 Which equation represents a redox reaction?

A Mg + 2HCl → MgCl2 + H2

B MgO + 2HCl → H2 O + MgCl2

C MgCO3 + 2HCl → CO2 + H2 O + MgCl2

D Mg(OH)2 + 2HCl → MgCl2 + 2H2 O


Your answer
[1]

6 This question is about trends in the periodic table.

Which trend is correct?

A melting point decreases from lithium to carbon

B boiling point decreases from fluorine to iodine

C first ionisation energy decreases from lithium to caesium

D first ionisation energy increases from nitrogen to oxygen


Your answer
[1]




© OCR 2021 H032/01 Turn over

, 4

7 A sample of a compound M contains 1.46 g of carbon, 0.482 g of hydrogen and
1.69 g of nitrogen.

What is the empirical formula of M?

A CH2 N

B C4 HN4

C CH4 N

D C2 H4 N


Your answer
[1]

8 A student mixes 100 cm3 of 0.200 mol dm–3 NaCl(aq) with 100 cm3 of
0.200 mol dm–3 Na2 CO3 (aq).

What is the total concentration of Na+ ions in the mixture formed?

A 0.100 mol dm–3

B 0.200 mol dm–3

C 0.300 mol dm–3

D 0.400 mol dm–3


Your answer
[1]

9 Which mass of substance contains the greatest number of atoms?

A 3.00 g of ammonia, NH3

B 3.00 g of chloromethane, CHCl3

C 4.00 g of hydrogen sulfide, H2 S

D 4.00 g of hydrogen chloride, HCl


Your answer
[1]




© OCR 2021 H032/01

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