Coal and petroleum grade 8

Which of these is not a fossil fuel?

• Coal

• LPG

• Bio gas

• Natural Gas

The main constituent of LPG is

• methane

• ethane

• propane

• butane

Coal with largest C content is

• anthracite

• peat

• lignite

• bituminous

The chemical added to LPG to help detect its leakage is

• isobutene

• ethylamine

• methyl mercaltan

• ethyl mercaptan

Which of the following are not obtained on fractional distillation of petroleum?

• Bitumen

• Kerosene

• Paraffin wax

• Coal gas

Which of the following is a fossil fuel?

• Petroleum

• Wood

• Cow dung

• Dry leaves

Identify the fuel that leaves more smoke and ash on burning.

• Solid fuel

• Liquid fuels

• Gaseous fuels

• Any one of the above

What fossil fuel is in the image?

• Coal
• Natural Gas
• Petroleum

Fossil fuels are classified as nonrenewable because they.......

• require expensive equipment
• take millions of years to replace
• can be found all over 
• provide all the energy we use

Name the process which is used to separate various constituent of petroleum

• Lubrication

• Refining

• Paraffin

• None of these