O Level Chemistry MCQs – Certification Test 18

Pure Substances and Mixtures MCQs (Question 18) – App & e-Book Download

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MCQ 18: What is true about mixtures?

they have a range of boiling points
they have a range of melting points
they lack of exact concentrations
all of above

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O Level Chemistry MCQs App & e-Book – Pure Substances & Mixtures Study Guide

Chemical Reactions Test 29

Chemical Symbols Test 30

Method of Purification Test 31

Electrolyte and Non Electrolyte Test 32

Redox Reactions Test 33

Mass Volume Time and Temperature Test 34

Protons Neutrons and Electrons Test 35

Mineral Acids and General Properties Test 36

Transfer of Electrons Test 37

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