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Adweithiau Cildroadwy a Diwydianol

Adweithiau Cildroadwy a Diwydianol
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ChemistryUpper Secondary (Key Stage 4)GCSE

This lesson contains 8 slides, with text slides.

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Adweithiau Cildroadwy a Diwydianol

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Amodau yn effeithio ar yr ecwilibriwm

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