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chem > Testing for cations > Flashcards

Testing for cations Flashcards

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1
Q

lithium flame

A

crimson red

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2
Q

sodium flame

A

yellow

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3
Q

potassium flame

A

lilac

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4
Q

calcium flame

A

orange- red

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5
Q

copper flame

A

blue-green

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6
Q

calcium precipitate

A

white

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7
Q

copper precipitate

A

blue

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8
Q

iron (II) precipitate

A

green

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9
Q

iron (III) precipitate

A

orange- brown

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10
Q

zinc precipitate

A

White at first
re dissolves into excess sodium hydroxide (NaOH)
forms a colourless solution

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11
Q

instrumental methods of analysis

A

very sensitive and analyse small amounts
very accurate
carry out analysis quickly

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chem (2 decks)

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