ujian pengesahan Flashcards

1
Q

ion karbonat, CO3^2-

A
  1. tambahkan sebarang asid (2cm^3 HCL, HNO3, H2SO4)
  2. Gas yang mengeruhkan air kapur terbebas (CO2)
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2
Q

ion klorida, Cl^-

A
  1. Tambahkan 2 cm^3 asid nitrik, HNO3 ke dalam tabung uji
  2. diikuti 2 cm3 larutan argentum nitrat AgNO3
  3. mendakan putih terbentuk
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3
Q

ion sulfat, SO4^-2

A
  1. tambahkan 2 cm3 asid hidroklorik, HCL ke dalam tabung uji
  2. Diikuti 2 cm3 larutan barium klorida BaCl2
  3. Mendakan putih terbentuk
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4
Q

ion nitrat, NO3^-1

A
  1. tambahkan 2 cm3 asid sulfurik cair, H2SO4 ke dalam tabung uji
  2. Diikuti 2 cm3 larutan ferum (II) sulfat, FeSO4 dan goncang
  3. alirkan perlahan-lahan asid sulfurik pekal, H2SO4
  4. Cincin perang terbentuk
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5
Q

Ion ammonium, NH4^+

A
  1. tambahkan reagen nessler
  2. Mendakan perang terbentuk
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6
Q

ion kuprum (ii), Cu^2+

A
  1. tambahkan larutan natrium hidroksida, NaOH berlebihan ke dalam tabung uji
  2. Mendakan biru terbentuk
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7
Q
A
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