DP Chemistry (last assessment 2024)

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Question 18N.3.sl.TZ0.11c.i

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.3.sl.TZ0.11c.i
Level sl Paper 3 Time zone TZ0
Command term State Question number c.i Adapted from N/A
c.i.
[Maximum mark: 1]
18N.3.sl.TZ0.11c.i

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

(c.i)

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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