Coal chem8

When coal burns in air then

• Carbon dioxide is formed

• Sulphur dioxide is formed

• Nitrogen dioxide is formed

• Hydrogen gas is formed

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

• Solid fuel

• Liquid fuels

• Gaseous fuels

• Any one of the above

By which of the given processes is coal formed?

• Carbonisation

• Distillation

• Vapourisation

• Evaporation

What are fossil fuels?

• complex hydrocarbon compounds
• mixtures of gaseous hydrocarbons located under the surface of the Earth
• a nonrenewable energy resource formed the remains of organisms that lived long ago

What fossil fuel is in the image?

• Natural Gas
• Steam
• Coal
• 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

Which of the following properties is NOT a characteristic of a good fuel?

• High Ignition temperature

• Low cost

• Causes minimum pollution

• Readily available

PCRA stands for

• Public Conservations Research Association

• Petroleum Conservation Research Association

• Public Council of Research Association

• Partial Counting of remaining Amendment

Which of the following is obtained from coal tar ?

• petrol

• coke

• air

• naphthalene balls

Full form of LPG

• Light Petroleum Gas

• Liquefied Petroleum Gas

• Long Pipe of Gas

• Long Petroleum Gas