Coal and petroleum

What are the necessary conditions for carbonization?

• High Temperature

• High Pressure

• No presence of air

• High presence of O2

Coal is a ___-_________ ________

Coal tar is a byproduct of the coal distillation process and is used in various industries. It contains ___ substances

• 700

• 100

• 300

• 200

What are the products obtained from destructive distillation of coal?

• Coke

• Coal tar

• CNG

• LPG

• Coal gas

Coke is a pure form of ______ element

• oxygen
• hydrogen
• nitrogen
• carbon

Coal gas is used as a fuel in which industry?

• Textile industry

• Chemical industry

• Automobile industry

• Steel industry

What is the method carried out during the process of refining to obtain various constituents of petroleum?

• fractional distillation

• filtration

• combustion

• cracking

What are the characteristics of coal

• Black

• Hard

• Soft

___________ Distillation of coal is the process where we can obtain coke, coal tar and coal gas.

Where is petroleum obtained from?

• Space exploration
• Underground oil reserves
• Ocean water
• Volcanic eruptions