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दो औद्योगिक प्रक्रमों के नाम लिखो जो विषमांग उत्प्रेरण के उदाहरण है।

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दो औद्योगिक प्रक्रमों के नाम लिखो जो विषमांग उत्प्रेरण के उदाहरण है।
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(i) `H_(2)SO_(4)` बनाने की सम्पर्क विधि
`2SO_(2(g))+O_(2(g)) underset(Delta)overset(V_(2)O_(5)(s)) to 2SO_(3(g))`
(ii) `HNO_(3)` बनाने की ऑस्टवाल्ट विधि
`4NH_(3(g))+5O_(2(g)) overset(Pt) to 4NO_((g))+6H_(2)O_((g))`
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