IGCSE O Level Chemistry Certification MCQs – Practice Test 3 (Chapter 7)
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MCQ 11: Endothermic changes are indicated through:
MCQ 12: Thermal decomposition does not occur in:
MCQ 13: Under thermal decomposition, copper nitrate gets converted into:
MCQ 14: Upon burning, Hydrogen (H2) forms:
MCQ 15: Exothermic reactions do not include:
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