pptx, 1.56 MB
pptx, 1.56 MB
Purity of substances.
How to find if something is pure
Creative Commons "Sharealike"

Reviews

4.4

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aniefonama

4 years ago
4

very useful

fraser55

4 years ago
4

Excellent piece of work easily adapted, according the level of the pupils :-) Thanks

carolbyro

5 years ago
4

Thanks you for preparing and sharing. Really useful and to the point.

fabwonderfulsuper

6 years ago
5

Thanks for sharing - very eye catching and concise.

flaffey

6 years ago
5

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