The ability of carbon atoms to form chains is called

Coal having 90% carbon contents is called:

Main component of natural gas is:

The strong heating of coal in retorts in the absence of air is called

Pitch is black residue of:

Natural gas is 85% methane. It is used to make the following except:

Which one of the following does not contain starch:

Petroleum is refined by:

In laboratory urea was prepared by:

General formula of alkyl radical is :

Identify which one of the following compounds is a ketone

The functional group -COOH is found in:

Which one of the following statements is not true about focil fuels?

Which one of the following is the hardest coal?

In which of the following groups, oxygen is attached on both sides with carbon atoms?

Carbonization process is the conversion of:

Coal gas is a mixture of:

Which one of the following is a synthetic fibre?

Which one of the following is not a fossil fuel?

Which one of the following does not contain protein:

Conversion of dead plants into coal by the action of bacteria and heat called:

Which one of the following compounds is an aldehyde?

Formula of acetaldehyde is: