Essential Chemistry for IGCSE - Chemical Calculations (Section 4 - No. 16)
Which of the following statements is true regarding purity?
A pure substance contains only a single compound.
A pure substance is always a solid.
Purity is determined only by the percentage yield.
A pure substance contains a mixture of elements and/or compounds.
Explanation
A pure substance is made up of only a single element or compound.
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