pure substances and impurities Flashcards

1
Q

what is a pure substance

A

something that has just particles of itself, and has no other substances mixed with it

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2
Q

what is an impurity

A

a unwanted substance mixed with the substance you want

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3
Q

if you have two substances that you willingly mixed together, is that an impurity

A

no, it is just not pure

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4
Q

what is a way to see if something is pure

A

check the boiling, melting or/and freezing point, if the temperature is higher/lower, it is impure

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5
Q

melting point

A

the temperature in witch something melts

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6
Q

boiling point

A

the temperature in witch something boils

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