\( \mathrm{H}_{2} \mathrm{SO}_{4} \) के निर्माण में प्लैटिनीकृत एस्बेस्टस उत्प्रेरक का प्रयोग एक...

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\( \mathrm{H}_{2} \mathrm{SO}_{4} \) के निर्माण में प्लैटिनीकृत एस्बेस्टस उत्प्रेरक का प्रयोग एक उदाहरण है :
(A) विषमांग उत्प्रेरक का
(B) स्व-उत्प्रेरक का
(C) समांग उत्प्रेरक का
(D) उत्प्रेरित उत्त्रेरक का
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