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QA test Flashcards

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1
Q

Test for anions hint

A

CCINS (sins)

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2
Q

Test for carbonate anions

A

Add dilute acid
If carbonate ions are present: Effervescence and carbon dioxide is produced

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3
Q

Test for chloride anions

A

Add dilute acid and silver nitrate
If chloride ions are present: White ppt forms

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4
Q

Test for iodide anions

A

Add dilute acid and silver nitrate
If iodide ions are present: Yellow ppt forms

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5
Q

Test for nitrate anions

A

Add sodium hydroxide and aluminum foil
If nitrate ions are present: Ammonia gas is produced

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6
Q

Test for sulfate anions

A

Add dilute acid and barium nitrate
If sulfate ions are present: White ppt forms

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7
Q

Test for cations hint

A

AACCIILZ

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8
Q

Test for aluminum cations

A
  1. Add sodium hydroxide
    If aluminum ions are present: White ppt is formed and it is soluble in excess forming a colourless solution
  2. Add aqueous ammonia
    If aluminum ions are present: White ppt is formed and it is insoluble in excess
  3. Add aqueous potasisum iodide
    If aluminum ions are present: No yellow ppt forms
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9
Q

Test for ammonium cations

A
  1. Add sodium hydroxide and warm
    If ammonium ions are present: Ammonia gas is produced
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10
Q

Test for calcium cations

A
  1. Add sodium hydroxide
    If calcium ions are present: White ppt is produced and it is insoluble in excess
  2. Add aqueous ammonia
    If calcium ions are present: No ppt forms
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11
Q

Test for copper (II) cations

A
  1. Add sodium hydroxide
    If copper(II) ions are present: Light blue ppt forms and it is insoluble in excess
  2. Add aqueous ammonia
    If copper (II) ions are present: Light blue ppt forms and it is soluble in excess forming a dark blue solution
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12
Q

Test for iron (II) cations

A
  1. Add sodium hydroxide
    If iron (II) ions are present: Green ppt forms and it is insoluble in excess
  2. Add aqueous ammonia
    If iron (II) ions are present: Green ppt forms and it is insoluble in excess
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13
Q

Test for iron (III) cations

A
  1. Add sodium hydroxide
    If iron (III) ions are present: Red-brown ppt forms and it is insoluble in excess
  2. Add aqueous ammonia
    If iron (III) ions are present: Red-brown ppt forms and it is insoluble in excess
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14
Q

Test for lead (II) cations

A
  1. Add sodium hydroxide
    If lead (II) ions are present: White ppt forms and it is soluble in excess forming a colourless solution
  2. Add aqueous ammonia
    If lead (II) ions are present: White ppt forms and it is insoluble in excess
  3. Add aqueous potassium iodide
    If lead (II) ions are present: Yellow ppt forms
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15
Q

Test for zinc cations

A
  1. Add sodium hydroxide
    If zinc ions are present: White ppt forms and it is soluble in excess forming a colourless solution
  2. Add aqueous ammonia
    If zinc ions are present: White ppt forms and it is soluble in excess forming a colourless solution
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Chemistry (3 decks)

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