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ocr AS Level Chemistry B (Salters) H033/01 May2023 Question Paper.
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ocr AS Level Chemistry B (Salters) H033-01 May2023 Question Paper.
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Please write clearly in black ink. Do not write in the barcodes.Centre number Candidate number
First name(s)
Last nameocr
Tuesday 16 May 2023 – Morning
AS Level Chemistry B (Salters)
H033/01 Foundations of chemistry
Time allowed: 1 hour 30 minutes
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 70.
•The marks for each question are shown in brackets [ ].
•This document has 24 pages.
ADVICE
•Read each question carefully before you start your answer.
verifiedYou must have:
the Data Sheet for Chemistry B
You can use:
a scientific or graphical calculator
an HB pencil Turn over
verified 2
Section A
You should spend a maximum of 25 minutes on this section.
Write your answer to each question in the box provided.
1What is the outer electron configuration of tellurium, Te?
A4p6
B4s2 4p4
C5p6
D5s2 5p4
Your answer [1]
2Which of the following exists as cis/trans isomers?
A(CH3)2CCHCH3
BCH3CHCHCH3
CCH3CH2CH2CH3
DCH2C(CH3)2
Your answer [1]
3Which of these properties of chlorine is a benefit to humankind?
AIt is a bleach.
BIt is a gas.
CIt is toxic to humans.
DIt is pale green.
Your answer [1]
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