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secondary 4 | E Maths
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Rosie
Rosie

secondary 4 chevron_right E Maths chevron_right Singapore

Help Ty n When doing based on oxidation states , do we look at elements other than oxygen n hydrogen or all elements can be counted?

Date Posted: 2 months ago
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Tayng
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This need exposure and practice at first you should slowly do it with your Cher then you try your own