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Sulphuric Acid

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Interview of 36 pages for the course Chemistry at GCSE (Sulphuric Acid)

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Institution
GCSE
Study
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Module
Chemistry
School year
200
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Uploaded on
August 8, 2023
Number of pages
36
Written in
2023/2024
Type
Interview
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Sulphuric Acid

, Large scale/Industrial Preparation- Contact process
Step 1 - S + O2 SO2
4FeS2 + 11O2 2Fe2O3 +
8SO2
Iron pyrites

,Step 2 : 2SO2 + O2 2SO3 +
Catalyst Vanadium pentoxide (V2O5,)
Pressure 1 to 2 atm
Temperature 450 - 500 C

, Step 3 :
SO3 + H2SO4 H 2S 2O 7
Oleum or Pyrosulphuric acid


H 2S 2O 7 + H 2O 2H2SO4
Forms sulphuric acid of the desired
concentration.

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