What is gram atom?
It is the quantity in grams which is numerically equal to the atomic mass of an element on a.m.u. scale.
Nitrogen forms five stable oxides with oxygen of the formulae N2O, NO, N2O3, N2O4, N2O5. This oxide formation explains which law of chemical combination?
How many number of moles of oxygen atoms are present in 0.6 mole of hydrated oxalic acid (COOH)22H2O?