Petrochemicals- Part I

Natural gas occuring along with petroleum is called --------

• Dry gas

• Wet gas

Natural gas compressed at very high pressure is called -----

• liquified natural gas

• compressed natural gas

Liquid form of natural gas is ------

• LNG

• LPG

Petroleum gas liquefied under pressure is called -------

• LNG

• LPG

Chemical added to LPG to detect its leakage is ------

• Ethyl Mercaptan

• Ethyl mercurate

Major component of coal is -----

• Silicon

• Carbon

Highest quality coal is ------

• Bituminous

• Anthracite

Least quality coal is ------

• Black lignite

• Brown coal

Destructive distillation of coal is known as ----

• coking of coal

• Choking of coal

Ammonia contamination in coal is removed by absorbing it in a -----

• Base

• Acid