Coal and Petroleum

Coke is obtained from:

• refining of petroleum

• refining of coal

• destructive distillation of coal

• fractional distillation of petroleum

Natural gas is a ________________ resource:

• non renewable

• renewable

• living

• all of the above

Fossil Fuels are:

• non combustible

• formed naturally

• renewable resources

• formed artificially

A thick black liquid formed by heating coal in absence of air:

• petroleum

• coal tar

• charcoal

• coke

Coal is classified according to:

• its non carbon content

• layer of earth surface it is found

• time taken in its formation

• its carbon content