Chemistry > Cation Aqueous Tests > Flashcards

Cation Aqueous Tests Flashcards

(8 cards)

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1
Q

Aluminium and NaOH

A

White precipitate

Dissolves in excess NaOH

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2
Q

Calcium and NaOH

A

White precipitate

Insoluble in NaOH

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3
Q

How do you distinguish between calcium and magnesium

A

Flame test - calcium forms brick red flame whereas magnesium has no flame

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4
Q

Magnesium and NaOH

A

White precipitate

Insoluble in NaOH

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5
Q

Copper 2 and NaOH

A

Pale blue precipitate

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6
Q

Iron 2 and NaOH

A

Green precipitate

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7
Q

Iron 3 and NaOH

A

Orangey brown precipitate

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8
Q

Ammonium and NaOH

A

No precipitate

Damped red litmus paper, it turns blue

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