Essential Chemistry for IGCSE - Particles And Purification (Section 2 - No. 34)
What is the difference between a pure substance and a mixture?
A pure substance has a fixed melting point, but a mixture doesn't.
A pure substance is made of one type of substance, and mixtures are not.
A pure substance contains only one element, and mixtures can have multiple elements.
All of the above
Explanation
A pure substance contains only one type of substance. A mixture contains multiple substances.
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