MY FAVORITES

Who is the author of the book titled - Neelimarani: My Mother, My Hero?

World Science Day for Peace and Development is being observed annually on which date?

Cricketer John R Reid passed away, he belonged to which country?

Hybridization is

A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be