Rust is a mixture of-

When a lead storage battery is charged it acts as-

The Zn acts as sacrificial or cathodic protection to prevent rusting of iron because -

If 9 g H₂O is electrolysed completely with current efficiency of 50%, then-

A graph of molar conductivity of three electrolytes (NaCl, HCl and NH₄OH) is plotted against √C. Whi

The passage of electricity through certain electrolyte results in liberation of H₂ gas at the cathod