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Question 17N.2.SL.TZ0.4b.ii

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.2.SL.TZ0.4b.ii
Level SL Paper 2 Time zone TZ0
Command term Outline Question number b.ii Adapted from N/A
b.ii.
[Maximum mark: 1]
17N.2.SL.TZ0.4b.ii

Each side of the ice cube is 0.75 m in length. The initial temperature of the ice cube is –20 °C.

(b.ii)

Outline the difference between the molecular structure of a solid and a liquid.

[1]

Markscheme

in solid state, nearest neighbour molecules cannot exchange places/have fixed positions/are closer to each other/have regular pattern/have stronger forces of attraction

in liquid, bonds between molecules can be broken and re-form

OWTTE

Accept converse argument for liquids

[Max 1 Mark]

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