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Atomic Structure - IGCSE paper 1
Sulphur - IGCSE past year questions paper 3 & 6
Oil Refining - Crude Oil
Oil Refining - IGCSE paper 1
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Monday, 13 January 2014
HAVE A BREAK, for better Chem results !
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Saturday, 29 June 2013
Salts - preparing soluble salts
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There are 4 methods of preparing soluble salts: Acid + metal (MAZIT metals) ---> salt + hydrogen Acid + carbonate ...
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Wednesday, 15 May 2013
atomic structure
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What is an atom An atom is the smallest component of an element having the chemical properties of the el...
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