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10 Terms

1
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Carbonate

CO2 produced on addition of acid

2
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Nitrate

NH3 produced on heating with hydroxide and Al foil

3
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Nitrite

add H2SO4 and KI. If nitrite ions are present they oxidise I- to I2. Then add starch and solution should turn blue-black

4
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Sulfate

add BaCl2, white insoluble ppt

5
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Sulfite

add BaCl2, white soluble ppt (BaSO3)

6
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Nitride

add NaOH and a piece of Al foil, warm gently and ammonia will be produced

7
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Chromate

yellow, nitric acid converts it to dichromate

8
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Dichromate

orange, OH- converts it to chromate

9
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To get red insoluble ppt

add silver nitrate to chromate or dichromate

10
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To get yellow ppt

add BaCl2 to chromate or dichromate