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Chemistry > Tests For Ions And Gases > Flashcards

Tests For Ions And Gases Flashcards

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1
Q

Ca2+ Calcium

A

Brick-red flame

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2
Q

K+ Potassium

A

Lilac flame

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3
Q

Na+ Sodium

A

Yellow flame

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4
Q

Li+ Lithium

A

Red flame

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5
Q

Fe2+ Iron(II)

A

Sodium hydroxide with dissolved solid - green precipitate

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6
Q

Fe3+ Iron(III)

A

Sodium hydroxide with dissolved solid - red/brown precipitate

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7
Q

Cu2+ copper

A

Sodium hydroxide with dissolved solid - blue precipitate

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8
Q

NH4+

A

Sodium hydroxide with dissolved solid - warm test tube and damp red litmus turns blue

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9
Q

CO3, 2- carbonate

A

Add aqueous hydrochloride acid - has given off turns limewater cloudy

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10
Q

Cl-

A

Add aqueous hydrochloride acid - no gas given off - fresh solution of unknown - add nitric acid - add silver nitrate - white precipitate

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11
Q

Br-

A

Add aqueous hydrochloride acid - no gas given off - fresh solution of unknown - add nitric acid - add silver nitrate - cream precipitate

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12
Q

I-

A

Add aqueous hydrochloride acid - no gas given off - fresh solution of unknown - add nitric acid - add silver nitrate - yellow precipitate

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13
Q

SO4,2-

A

Add aqueous hydrochloride acid - no gas given off - add barium chloride - white precipitate

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Chemistry (5 decks)

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