IGCSE O Level Chemistry MCQs – Practice Test 6 (Chapter 9)
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MCQ 26: Elevation of boiling points occur due to:
MCQ 27: Range of −5 oC to −25 oC is of:
MCQ 28: The distillate is a liquid that:
MCQ 29: Presence of impurities in ethanol (C2H5OH) will:
MCQ 30: A purple stain is obtained if the Ninhydrin spray is used to locate:
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