Aqua regia is added to gold....

Aqua regia is added to gold.

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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-ADDITIONAL QUESTIONS ( STATE WITH EQUATIONS, WHAT HAPPENS WHEN)

Metallic Mg is reacted with very dilute (1-2%) and cold HNO(3).
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Conc.HNO(3) is added to FeSO(4) solution in presence of H(2)SO(4).
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Aqua regia is added to gold.
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White phosphorus is added to silver nitrate solution.
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Phosphorus acid is heated.
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Phosphine gas is passed through silver nitrate solution.
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H(3)PO(3) is added to KMnO(4) solution acidified with H(2)SO(4).
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Phosphonium iodile is heated with concentrated KOH solution.
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O(3) gas is passed throught KI solution.
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O(3) gas is passed throught acidified FeSO(4) solutions.
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Propene is reacted with O(3) and the resulting compound is decompos...
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SO(2) gas is passed through a clear solution of lime water.
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H(2)S is passed throught hot and concentrated H(2)SO(4).
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Concentrated H(2)SO(4) is added to cane sugar .
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F(2) gas is passed through 2% NaOH solution.
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A mixture of NaCl, MnO(2) and cocn.H(2)SO(4) is heated .
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HCl is added to bleaching powder.
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Cl(2) gas is passed throught acidified FeSO(4) solution.
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SO(2) gas is passed through chlorine - water .
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CI(2) gas is passed through hot and concentrated NaOH solution.
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