Dihydrogen of high purity ( \(>99.95 \%)\) is obtained through: [JEE Main 2020, 6 Sep (Shift 2)]

the reaction of \(\mathrm{Zn}\) with dilute \(\mathrm{HCl}\).

the electrolysis of acidified water using Pt electrodes

the electrolysis of brine solution.

the electrolysis of warm \(\mathrm{Ba}(\mathrm{OH})_{2}\), solution using \(\mathrm{Ni}\) electrodes.