DP Chemistry (last assessment 2024)

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Question 18N.3.hl.TZ0.b.i

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.3.hl.TZ0.b.i
Level hl Paper 3 Time zone TZ0
Command term State Question number b.i Adapted from N/A
b.i.
[Maximum mark: 1]
18N.3.hl.TZ0.b.i

Solar energy, which is freely available, is indispensable to life on earth.

State a physical property of vegetable oils that makes them very difficult to use as fuel in internal combustion engines.

[1]

Markscheme

high viscosity ✔

 

Accept “low volatility”, just “viscous/viscosity” OR “does not flow easily”.

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