Purity Flashcards

1
Q

What is meant by the term ‘pure’ in chemistry?

A

It describes a substance that is completely made up of a single element or compound

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2
Q

What is meant by the term ‘mixture’?

A

A substance that contains different elements or more than one type of compound

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3
Q

How can you distinguish between a pure substance and a mixture using melting point data?

A
  • A pure substance has a specific, sharp melting point
  • A mixture will melt over a range of temperatures
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4
Q
A
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5
Q

(Exam-style question)

A
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6
Q

(Exam-style question)

A
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