IGCSE A Level Chemistry Practice Tests
IGCSE A Level Chemistry Online Tests
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MCQ 1: During a chemical reaction, atoms can not be
MCQ 2: The ions which are composed of more than one type of atom are called
MCQ 3: The number of positive ions balances the number of negative charges so as to neutralize the compound and give the charge
MCQ 4: The element which is never found completely pure in nature is
MCQ 5: The representation of a chemical reaction in shorthand way is via a
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