oxygen and nitrogen are present in a mixture in the ratio 1:4 by weight.calculate the ratio between their molecules.

Calculate the mass of one molecule of oxygen.

How many atoms are present in oxygen molecule.

The radii of two cylinders are in the ratio 2:3 and their heights are in the ratio 5:3. Calculate the ratio of their volumes and the ratio of their curved surfaces.

In water molecule the ratio by mass in which hydrogen and oxygen react is 1 : 8, Calculate the ratio by number of atoms in water molecules.

In which ratio hydrogen and oxygen are present in water?

Calculate the actual weight of : a molecule of NH_3

The angles of a triangle are in the ratio 4: 1: 1, then the ratio of the largest side to the perimeter is :

During electroylsis, hydrogen and oxygen are produced in the ratio by volume

Divide Rs.60 in the ratio 1:2 between Kriti and Kiran.

Densities of two gases are in the ratio 1: 2 and their temperatures are in the ratio 2:1 , then the ratio of their respective pressure is