IGCSE A Level Chemistry Exam MCQs – Practice Test 20 (Chapter 22)
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MCQ 96: The formula MgO shows Mg oxidation number to be:
MCQ 97: Sulfur reacts with chlorine to form:
MCQ 98: Ionic Chlorides of which of these do not react with water:
MCQ 99: Cations are much smaller than their:
MCQ 100: Without water, aluminum chloride exists as:
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