The metallurgical process in which a metal is obtained in a fused state is called ?
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of ?
The metal used to recover copper from a solution of copper sulphate is ?
The most electronegative element among the following is ?
The number of moles of solute present in 1 kg of a solvent is called its ?
The nucleus of an atom consists of ?
The metal does not give H2 on treatment with dilute HCL is ?
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is ?
The most extensive, commercially useful source of thorium as monazite sand occurs in India at ?
The main active constituent of tea and coffee is ?