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Interactive Exercises in A-Level Chemistry

 

Overview

List of topics

Ordering

Samples

 

Sunbathing

Some substances are known to prevent ultraviolet radiation passing. If these are placed on the skin then protection from harm will be decreased.

Drag the yellow arrow horizontally and decide if the substance will stop UV light reaching the skin.

Press Reset to try other compounds.

Which of the compounds below is the best skin protector?
1 water 5 sulphur dioxide
2 methane 6 4-aminobenzoic acid
3 glass 7 glyceryltrioleate
4 oxygen 8 ozone

Enter the number of the correct answer in the box below and press RESULT to see the answer.
Number =
 

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