Is Coal a Mixture

Coal is not another form of carbon, like graphite or diamond. It consists of a complex mixture of organic chemical substances containing carbon, hydrogen and oxygen, together with smaller amounts of nitrogen, sulphur and some trace elements.

Is coal a mixture or pure substance?

Answer: coal is a mixture and not a pure substance because it contains other substituents like hydrogen, nitrogen, oxygen etc. A pure substance contains particles of the same element.

Is coal is a homogeneous mixture?

Coal is very heterogeneous. In simple terms it is a mixture of organic matter (macerals) and inorganic matter (minerals). … 3.1, the surface of coal is heterogeneous at different levels.