O Level Chemistry e-Book's MCQs - Complete
Method of Purification App MCQs & e-Book PDF Download - 52
Apps:
MCQ 52:
Which statement is true about when the hot molten liquid cools?
- first crystals are the most pure
- impure substances may also form the crystals
- it turns into gas
- it turns into aqueous solution
a
O Level Chemistry App & e-Book Tests PDF Download
Dissolving Filtering and Evaporating Test 63
Valency and Chemical Formula Test 64
Ionic and Covalent Substances Test 65
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Ionic and Covalent Substances Test 69
O level Chemistry and States of Matter Test 70
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O Level Chemistry MCQs eBook Download
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