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प्रश्न
Choose the current answer from the options given below :
In the preparation of H2SO4 by contact process V2O3 is used as a catalyst in the reaction. It is
विकल्प
S + O2→ SO2
SO2 + H2SO4→ H2S2O7
SO3 + H2O → H2SO4
2SO2 + O2→ 2SO3
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उत्तर
In the preparation of H2SO4 by contact process V2O3 is used as a catalyst in the reaction. It is 2SO2 + O2→ 2SO3
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संबंधित प्रश्न
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