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Coal and Pertroleum
Resources
• We use various materials for our basic needs.
Some of them are found in nature and some
have been made by human efforts.
• All things which are obtained from nature,
they are called natural resources.
Coal
• It is as hard as stone and is black in
color.
• Coal is one of the fuels used to cook food.
• Earlier, it was used in railway engines to produce
stream to run the engine.
• It is also used in thermal power plants to produce
electricity.
• Coal is also used as a fuel in various industries.
Story of Coal
• 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 deposited over them, they are
compressed. The temperature also rose as they sank
deeper and deeper.
• Under high pressure and high temperature, dead
plants got slowly converted to coal.
Carbonization
● As coal contains mainly carbon, the slow process
of conversion of dead vegetation into coal is
called carbonization.
● Since it was formed from the remains of
vegetation, coal is also called a fossil fuel.
Pure coal by process
of carbonization
A Coal Mine
Types of Coal
Carbon di oxide
● When heated in air, coal burn and
produces mainly carbon dioxide gas..
Coke
● It is a tough, porous and black substance. It is
an almost pure form of carbon.
● Coke is used in the manufacture of steel and in
the extraction of many metals.
Coal and Coke
Coal Tar
● It is a black, thick liquid with an unpleasant smell.
● It is a mixture of about 200 substances.
● Products obtained from coal tar are: synthetic dyes,
drugs, explosives, perfumes, roofing materials,
paints, etc.
● Naphthalene balls used to repel moths and other
insects are also obtained from coal tar.
Coal Gas
Coal gas is obtained during the processing of coal
to get coke...
It is used as a fuel in many industries situated
near the coal processing plants...
Amazing facts
Bitumen is a Petroleum used insted of coal tar for
metalling the roads
Coal gas was first uses in londen for street lighting
in 1810..now adays ita a source of heat rather than
light..
Different types of coal contain different amounts
of carbon
By : Piyush Rawat

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Coal and petroleum

  • 2. Resources • We use various materials for our basic needs. Some of them are found in nature and some have been made by human efforts. • All things which are obtained from nature, they are called natural resources.
  • 3.
  • 4. Coal • It is as hard as stone and is black in color. • Coal is one of the fuels used to cook food. • Earlier, it was used in railway engines to produce stream to run the engine. • It is also used in thermal power plants to produce electricity. • Coal is also used as a fuel in various industries.
  • 5. Story of Coal • 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 deposited over them, they are compressed. The temperature also rose as they sank deeper and deeper. • Under high pressure and high temperature, dead plants got slowly converted to coal.
  • 6. Carbonization ● As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonization. ● Since it was formed from the remains of vegetation, coal is also called a fossil fuel. Pure coal by process of carbonization
  • 9. Carbon di oxide ● When heated in air, coal burn and produces mainly carbon dioxide gas..
  • 10. Coke ● It is a tough, porous and black substance. It is an almost pure form of carbon. ● Coke is used in the manufacture of steel and in the extraction of many metals. Coal and Coke
  • 11. Coal Tar ● It is a black, thick liquid with an unpleasant smell. ● It is a mixture of about 200 substances. ● Products obtained from coal tar are: synthetic dyes, drugs, explosives, perfumes, roofing materials, paints, etc. ● Naphthalene balls used to repel moths and other insects are also obtained from coal tar.
  • 12. Coal Gas Coal gas is obtained during the processing of coal to get coke... It is used as a fuel in many industries situated near the coal processing plants...
  • 13. Amazing facts Bitumen is a Petroleum used insted of coal tar for metalling the roads Coal gas was first uses in londen for street lighting in 1810..now adays ita a source of heat rather than light.. Different types of coal contain different amounts of carbon
  • 14. By : Piyush Rawat