Pos Ion tests Flashcards by JOE MUTHAKA | Brainscape

Q

Lithium ions

A

burns with crimson red flame

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Q

Sodium ions

A

burns with yellow flame

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Q

Potassium

A

burns with lilac flame

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Q

Calcium

A

orange-red flame

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Q

Copper ions + sodium hydroxide (aq)

A

blue precipitate

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Q

Calcium ions + sodium hydroxide (aq)

A

White precipitate

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Q

Magnesium ions + sodium hydroxide (aq)

A

white precipitate

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Q

Aluminium ions + sodium hydroxide (aq)

A

white precipitate (dissolves when more NaOH is added)

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Q

Iron (II) ions + sodium hydroxide (aq)

A

green precipitate

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Q

Iron (III) ions + sodium hydroxide (aq)

A

brown precipitate

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