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24 Cards in this Set
- Front
- Back
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Potassium Dichromate oxidation
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Orange > Green
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H2 test
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Pop with a burning splint
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O2 test
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relights a glowing splint
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Cl2
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Bleaches damp litmus/universal indicator paper
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CO2
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Bubble through lime water, turns milky
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SO2
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Turns K2Cr2O7 solution orange to green.
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HCl
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Glass rod dipped in HCl reacts with NH3 to give dense white fumes of NH4Cl
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Lithium flame
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Crimson
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Sodium flame
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Orange
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Potassium flame
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Lilac
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Calcium flame
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Brick red
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Barium flame
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Green
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Copper II flame
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Green-blue
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SO4 2-
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Add acidified barium ions, white precipitate forms
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HCO 3-/CO3 2-
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Add dilute HCl to form colourless gas which turns lime water cloudy. Make a solution and add a solution of Mg2+ions - CO3 2- forms a white precipitate, no effect on HCO3-.
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Cl-
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Nitric acid +silver nitrate. White percipitate
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Br-
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Nitric acid+silver nitrate. Cream percipitate
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I-
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Nitric acid+silver nitrate. Yellow percipitate
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NH4+
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React with NaOH, Glass rod dipped to give dense white fumes with HCl gas.
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Fe2+
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Dil NaOH gives green ppt
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Fe3+
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Dil NaOH gives rust ppt
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Al3+
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Soluble in excess NaOH
INsoluble in excess NH3 |
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Mg2+
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Insoluble in excess NaOH
Insoluble in excess NH3 |
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Zn2+
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Soluble in excess NaOH
Soluble in excess NH3 |
