The relative molar mass of a gaseous hydrocarbon is 30. D...
The relative molar mass of a gaseous hydrocarbon is 30. Determine its vapour density.
45
30
15
60
Correct answer is C
Vapour density = Relative molar mass / 2
Vapour density = 30 / 2 = 15
Therefore, the vapour density of the gaseous hydrocarbon is 15.
The following are heavy chemicals except ...
A metal that can be extracted from cassitertite is ...
Which of the following is used to power steam engines? ...
The formation of ethene from dehydration of ethanol can be described as------- ...
Which of the following is a form of calcium carbonate? I. limestone II. marble III. chalk Iv. ...
A property of a colloidal dispersion which a solution does not have is? ...
When calcium oxide is heated with carbon, the oxide will ...