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[Post New]27 Mar 2007 14:48:47 IST
    Subject: Re:formulas again!!!!!!!!!!
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chimanshu_007 (11437)

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Olaaa!! Perrrfect answer. 2097  [2573 rates]
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NO2
 
rededish brown gas
 
suffocating smell
 
 turns FeSO4 sol brownish black
 
FeSO4  +  NO2  + H2SO4  ------->Fe(SO4)3 + H2O  + NO
 
 
NH3
 
COLOURLESS GAS WID AMMONICAL SMELL
 
TURNS NESSLER'S REAGENT (k2HgI4) REDDISH BROWN
 
K2HgI4 + KOH + NH3 -----> NH2HgO.HgI (MILLON'S BASE) +KI +H2O
 
 
 
 
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