SSC SSC Stenographer Grade C & D Mock Test 2025 General Science Chemistry Chemical Reaction

CuO + H2 → Cu + H2O. हे समीकरण याचे उदाहरण आहे:

1
ऑक्सीकरण
2
विघटन 
3
रिडॉक्स
4
संक्षेपण
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