IGCSE A Level Chemistry Entrance Exam MCQs – Mock Test 21
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MCQ 101: Acidic foods are mostly preserved with the help of a solution made from:
MCQ 102: Litmus is used to test either the substance is:
MCQ 103: In ethane C2H4, the C-C form a:
MCQ 104: The oxidation number of Si in SiCl4 is:
MCQ 105: MgO is used to line kilns and furnaces because of its:
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