Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 General Science Chemistry

Fe + CuSO4 → FeSO4 + Cu

हे ________ अभिक्रियेचे उदाहरण आहे.

1
विस्थापन
2
क्षपणॉक्सि
3
उदासीनीकरण
4
परिवर्तनीय
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