112.0 mL of NO2 at STP was liquefied, the density of the liquid being 1.15 g mL−1. Calculate the num

The ratio of total number of electrons present in 48 g of O₃ to 24 g of O₂ is

The number of atoms in 20 g of SO3 is approximately -

The number of molecules in 1 mL of CO2 at STP is;

Equal masses of H2, O2 and CH4 have been taken in a container of volume V at temperature 27°C in ide

Given below are two statements: Statement-I: Vapour density of CH4 is half of O2. Statement-II: 1.6