The total number of H-atoms present in 1 ml of `H_2O` is:

A gas 'X' diffuses four times slower than `H_2` gas under similar conditions. Calculate the molecular weight of gas X.

The relative atomic mass of chlorine is 35.5. A sample of chlorine is a mixture of Cl-35 and Cl-37. What are the relativ…

Calculate the total number of mole in a reaction mixture of 4 gm of `H_2` and 48 gm of `O_2`.

The total number of atoms present in 5.6 l of `NH_3` gas at STP is:

Vapour density of a volatile substance is 4 in comparison to methane. Its molecular weight is:

What is the atomic weight of a metal whose specific heat and equivalent weight are 0.057 and 38.21 respectively.

Calculate the volume of `CO_2` gas formed at STP when 1gm of `CaCO_3` is heated.