CuSO4 +Fe rarr FeSO4 +Cu FeSO4 +Zn rarr ZnSO4 +Fe उपरोक्त अभिक्रियाओं के आधार पर बताइए कि ज़िंक, कॉपर और लोहे म
the Fe3O4-35nm sample, two solutions were prepared: a basic solution consisting on a mixture of 25 mL NaNO3 (2 M) and NaOH (4.2 M), 88 mL of distilled water and 62.5 mL of ethanol, and an acid solution formed by 13.9 g of FeSO4·7H2O dissolved in 50 mL of H2SO4 (0.01 M)...