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Chemistry > Purity > Flashcards

Purity Flashcards

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1
Q

meaning of pure

A

substance made up of a single element or compound

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2
Q

pure substances have a …………

A

sharp and specific melting point

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3
Q

impure substances…..

A

melt over a range of time

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4
Q

Name equipment used for testing melting points

A

melting point appartus

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5
Q

what are mixtures useful for?example?

A

alloys

Gold alloys,jewellery-zinc,copper used to strengthen gold

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6
Q

meaning of mixture

A

more than 1 compound present or diff elements that arent part of a single compound

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Chemistry (39 decks)

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