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सूची-I (उपचयनांक) को सूची-II (तत्त्व) के साथ सुमेलित कीजिए और सूचियों के नीचे दिये गए कूट का प्रयोग कर सही उत्तर चुनिये─ सूची-I (उपचयनांक) सूची-II (तत्त्व)A. 2 1. MnO2में Mn का उपचयनांकB. 3 2. H2SO4में S का उपचयनांकC. 4 3. CaO में Ca का उपचयनांकD. 6 4. NaAl H4में Al का उपचयनांककूट:A B C D

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सूची-I (उपचयनांक) को सूची-II (तत्त्व) के साथ सुमेलित कीजिए और सूचियों के नीचे दिये गए कूट का प्रयोग कर सही उत्तर चुनिये─ सूची-I (उपचयनांक) सूची-II (तत्त्व)<br />A. 2 1. MnO2में Mn का उपचयनांक<br />B. 3 2. H2SO4में S का उपचयनांक<br />C. 4 3. CaO में Ca का उपचयनांक<br />D. 6 4. NaAl H4में Al का उपचयनांक<br />कूट:<br />A B C D






 
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