DP Chemistry (last assessment 2024)

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Question 19M.3.hl.TZ2.15a

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Date May 2019 Marks available [Maximum mark: 2] Reference code 19M.3.hl.TZ2.15a
Level hl Paper 3 Time zone TZ2
Command term Compare and contrast Question number a Adapted from N/A
a.
[Maximum mark: 2]
19M.3.hl.TZ2.15a

This question is about fuel for engines.

(a)

Crude oil can be converted into fuels by fractional distillation and cracking.

Contrast these two processes.

[2]

Markscheme

Note: Award [1] for any two correct answers from one column OR one from each column.

Award [2] for any two correct from each column; eg: fractional distillation – any two correct award [1 max] AND
cracking – any two correct, award [1 max].

Examiners report

This part was not well answered. Many candidates didn’t answer the question as instructed. Candidates required two correct statements, either about fractional distillation or cracking as a process for one mark.

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