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form4 > science testing for equeous cations > Flashcards

science testing for equeous cations Flashcards

1
Q

Barium nitrate+ excess NaOH

A

White milky precipitate

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2
Q

Copper nitrate+ two drops of NH3

A

There is precipitate and the color gets paler

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3
Q

Zinc sulfate+ excess NaOH

A

clear solution

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4
Q

Zinc sulfate+ two drops of NH3

A

cloudy milk white solution

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5
Q

Iron (III) sulfate+ excess NH3

A

Dark brown/rust colored solution

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6
Q

Barium nitrate+ two drops of NH3

A

Milky precipitate

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7
Q

Iron (II) ammonium sulfate+ excess NH3

A

Golden/honey colored solution lots and lots it turns black

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8
Q

Aluminum sulfate + two drops of NH3

A

milky white precipitate

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9
Q

Iron (II) ammonium sulfate+ two drops of NH3

A

Gold/oil colored precipitate on top

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10
Q

Barium nitrate+ two drops of NaOH

A

White milky precipitate

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11
Q

Iron (III) sulfate+ excess NaOH

A

Very dark brown colored solution with little red

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12
Q

Iron (III) sulfate+ two drops of NH3

A

Orangy brown precipitate

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13
Q

Iron (III) sulfate+ two drops of NaOH

A

strong red/ rust color solution

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14
Q

Aluminum sulfate + two drops of NaOH

A

cloudy white/milky precipitate

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15
Q

Aluminum sulfate + excess NH3

A

Milky white precipitate

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16
Q

copper nitrate+two drops of NaOH

A

Turns into a darker shade of blue and there is a precipitate

17
Q

Zinc sulfate+ excess NH3

A

Goes transparent

18
Q

Iron (II) ammonium sulfate+two drops of NaOH

A

dark orangy brown precipitate

19
Q

Copper nitrate+excess NaOH

A

Dark blue solution

20
Q

Zinc sulfate+ two drops of NaOH

A

cloudy white solution

21
Q

Barium nitrate+ excess NH3

A

Milky precipitate

22
Q

Aluminum sulfate + excess NaOH

A

goes clear again

23
Q

Iron (II) ammonium sulfate+excess NaOH

A

Dark brown/black colored solution

24
Q

Copper nitrate+excess NH3

A

Sea through solution. No precipitate

form4 (29 decks)

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