Isoelectronic species have the same number of
Which of the following gases has the lowest rate of diffusion? [H=1.0, C=12.0, N = 14.0, O= 16.0]
An example of a crystalline substance that does not possess water of crystallization is
The best indicator to use for the titration of ethanoic acid with sodium hydroxide is
The relative molar mass of a gaseous hydrocarbon is 30. Determine its vapour density.
