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Chemistry > Purity Of Substances > Flashcards

Purity Of Substances Flashcards

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1
Q

A ______ substance is defined in chemistry as a single element or compound.

A

Pure

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2
Q

What does this describe?If these are present in a sample, they will lower the melting point and widen the range of temperatures at which the sample will melt.

A

Impurities

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3
Q

What does this describe? A single element or compound that has exact and specific melting or boiling points.

A

Pure substance

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4
Q

How do impurities affect the melting and boiling points of samples?

Decrease the______ point
Increase the ______ point

A

Melting
Boiling

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Chemistry (13 decks)

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