Question

Describe how coal was formed. State the use of coke. State various uses of natural gas.​

Answer 1

Answer:

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. ... Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.

Uses of Coke:

The most common use of coke is as a fuel for stoves, furnaces and blacksmithing. It is sometimes preferred over coal because burning coke produces very little smoke. It is also used to produce iron in a blast furnace. Coke is used to manufacture steel and many other materials.

What is natural gas used for?

Electricity. We can generate electricity with natural gas – with steam turbines and gas turbines. ...

Heating. Almost half of all U.S. homes use natural gas for heating. ...

Transportation & production (industrial use) The industrial use of natural gas means production of chemicals, fertilizers, hydrogen, etc.

Answer 2

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Describe how coal was formed

The process of formation of coal is as follows:

• About 300 million years ago, the earth had dense forests in low lying wetland areas.
• Due to natural processes like flooding, these forests got buried under the soil.
• As more soil was deposited, they were compressed.
• With an increase in depth, the temperature also rises.
• Under high pressure and high temperature, dead plants got slowly converted into coal.
• The process of coal formation is very slow and might take millions of years.

This process is known as Carbonisation.

Uses of Coke:

The most common use of coke is as a fuel for stoves, furnaces and blacksmithing. It is sometimes preferred over coal because burning coke produces very little smoke. It is also used to produce iron in a blast furnace. Coke is used to manufacture steel and many other materials.

State various uses of natural gas.

• It is used to turn turbines for wind and solar energy generation.
• This fossil fuel is used for the production of ammonia which itself is used for making fertilizers.
• It is a domestic fuel as well. It fires stoves in our houses and also runs heaters, ovens, boilers, etc.
• Compressed Natural Gas or CNG, that is gas stored at high pressure, is also used in some households for heating and cooking purposes.
• CNG is also a cheap and environment friendly alternative for a transportation fuel used in low load vehicles requiring high fuel efficiency.
• Liquefied Natural Gas or LNG is used to power vehicles such as off-road trucks and trains.

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