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Chemistry chapter 8 acids bases and salts > cations test > Flashcards

cations test Flashcards

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1
Q

Aluminium:

A

NaOH: whit ppt forms, dissolves in excess to go colourless
Ammonium: white ppt, insoluble in excess

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2
Q

Ammonium:

A

NaOH: ammonia gas formed when gently warmed

Ammonium solution: —

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3
Q

Calcium:

A

NaOH: white ppt forms, insoluble in excess
Ammonium: very faint white ppt form

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4
Q

Chromium:

A

NaOH: green ppt forms, soluble in excess so green solution forms
Ammonium: green ppt forms, insoluble in excess

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5
Q

Copper:

A

NaOH: light blue ppt forms, insoluble in excess
Ammonium: blue ppt forms, soluble in excess so dark blue solution formed

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6
Q

Iron II:

A

NaOH: green ppt formed, insoluble in excess
Ammonium: green ppt forms, insoluble in excess

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7
Q

Iron III:

A

NaOH: brown ppt formed, insoluble in excess
Ammonium: brown ppt formed, insoluble in excess

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8
Q

Zinc:

A

NaOH: white ppt forms, soluble in excess to go colourless
Ammonium: white ppt forms, soluble in excess to go colourless

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Chemistry chapter 8 acids bases and salts (7 decks)

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