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PREPRATION OF SULFURIC ACID
METHODS OF PRODUCTION 1.Contact process 2.Chamber process Both processes are based on SO2,chamber process was devloped first(1746) but produced acid concentration less than 80%.Contact process yeilds 98% H2SO4 and higher which can be diluted,if necessary. Chamber process is virtually obsolete. CONTACT PROCESS chemical reactions S(s) + O2(g) = SO2(g) H= -70.9 Kcal SO2(g) + 1/2 O2(g) = SO3(g) H= -23.0 Kcal Raw materials SO2 is obtained from the following sources: 1.Sulphur 2.Pyrites 3.CuS,ZnS,PbS,MoS2 4.wate H2SO4 Catalyst Most widely used catalyst is vanadium pentaoxide dispersed on a porous c...
BITSAT 2013 First Iteration Seat Allotment Results,BITS First Iteration Results 2013 – BITSAT 2013 Firs Round Seat Allotment – BITS : BITSAT First Iteration Seat Allotment Result – BITS First Iteration Cutoffs
By
vivek kumar
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BITSAT 2013 First Iteration Results are made available for the Students who appeared for BITSAT 2013 Online Entrance Test . Students who are aspiring for Admissions to B.Tech Programs in BITS Pilani, BITS Goa & BITS Hyderabad Campus can check BITSAT 2013 First Iteration Seat Allotment Results. The BITSAT 2013 Results of II Iteration for admission to integrated first degree programs will be announced on 11/7/2013 by 4.00 PM. BITSAT 2013 First 1 st Iteration Seat Allotment Results : Discuss here Regarding BITSAT 2013 First 1st Iteration Results Click here to check : BITSAT 2013 First 1st Iteration Seat allotment Results
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