Explain why, arbon cannot reduce oxides of sodium or magnesium.

Explain the following Carbon cannot reduce the oxides of Na or Mg.

Explain the following: Carbon cannot reduce the oxides of Na and Mg.

Explain, why carbon can reduce copper but not calcium oxide to calcium?

Explain the following: a. Reactivity of Al decreases if it is dipped in HNO_(3) . b. Carbon cannot reduce the oxides of Na and Mg.

(a) For the reduction of a metal oxide, suggest a reducing agent other than carbon. (b) Explain why, an aqueous solution of sodium chloride is not used for the electrolytic extraction of sodium metal.

Explain the significance of sodium , potassium, magnesium and calcium in biological fluids.

Explain the significance of sodium, potassium, magnesium and calcium in biological fluids.