Coal and Petroleum
Coal and Petroleum - 8th Std Science
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Which type of coal has high content of carbon?
Which type of coal is used in the house hold?
Naphthalane ball is obtained from
Fuel that is used in Jet air craft
Which of these is a fossil fuel?
Which of the following is not a fossil fuel?
Coal mining in India was started in the year?
Coal was formed from the giant plants
Ferms and Mosses
The most inferior variety of coal is
This coal is called soft coal
The coal used for power generation is
The coal considered the most superior variety and produces high heat energy is
The coal called an hard coal is
Heating of coal in the absence of air is called
Which of the following coal product is used to make fertilizers?
Which of the following act as a reducing agent in steel manufacturing?
The world’s first petroleum well was drilled in
The process of heating a mixture of liquids having different boiling points and then separating than by cooling is called
For Road Surfacing which of the petroleum product is used?
Paraffin wax is used for
Natural gas mainly contains
The best future fuel is
Fuel for heavy motor vehicle is
The vast reserve of natural gas in TamilNadu is present
Gobar Gas is obtained by the process
LPG is a _________ stove/fuel.
Substances that burn in air to give ______ Heat/mechanical energy are called fuels.
A bicycle uses _______ fuel/Man power
An aircraft uses ________ Fuel/ man-power to fly.
________ Oxygen /Carbon dioxide is essential for burning.
Natural gas is a_________ fossil fuel/fire extinguisher.
___________Anthracite/ Bituminous coal ha the highest heat energy.
_________ Lignite /Anthracite contains less carbon.
Heating coal in the absence of air is called ________ destructive distillation/fractional distillation.
________ Coal gas/Coke is used as a reducing agent.
Dead plants and animals buried at the bottom of the sea millions of years ago, due to high pressure and temperature changed into _______ petrol/ petroleum.
In Tamil Nadu petroleum is found in _________ Cauveri /Godavar Basins.
The process of separating various fractions of petroleum by fractional distillation is known as ________ (refining /fractional) distillation of petroleum.
The useful substances obtained from petroleum and natural gas are called _________ fertilizers.
Hydrogen gas is obtained from _______paraffin wx.
__________ is called black gold.
Natural gas is made up of 90% _________.
_________ is stored at high pressure.
_________ is in ultra cold liquid form.
_______ is the foremost energy source that makes life possible on our earth.
_________ are located at Kayathar and Aralvaimozhi in Tamil Nadu.
_________ is a fuel derived from vegetable oils.
___ is a clean fuel as it gives out only water while burning
Sewage sludge can be decomposed by microorganisms to produce _________gas
The expansion of LPG is_______
Liquified Petroleum Gas
Liquid petroleum Gas
LPG is stored in ________ form in the gas cylinder.
The expansion of CNG is_________
Compressed Natural Gas
The chief element of coal is ________
Natural gas contains mainly ________
Heating in the absence of air is called _________
________is the primary source of energy.
The coal obtained in Neyveli is _______
The process of separating individual liquids which differ in their boiling point, from the mixture of liquids is called________
___________ is used as a reducing agent in steel manufacturing.
Petrol is a ________
Substances that burn in air to give heat energy are called _____
Coal, crude oil and natural gas are collectively called as________
India ranks now _________ among the coal producing countries in the world.
Coal will have higher _________ content in it.
_________ is Brown coal.
_________ coal contains 87-97% carbon.
Heating of coal in the absence of air is called _______ of coal.
Coal Gas is used as_______
fuel for cooking food
Fuel for Car, Bus
Liquid ammonia is used to make __________
_______ is obtained by drilling through the earth.
Lubricating oil is a product of ________
_________ is used as a fuel for jet aircrafts.
______ is used as road surfacing.
Hydrogen gas is used in the production of ________
The full form of CNG is ________
Compressed Natural Gas
The full form of LNG is ___________
Liquefied Natural Gas
Liquid natural gas
__________ energy is harnessed using solar cookers, solar water heaters and solar cells.
__________ have long blades connected to a dynamo.
__________ is derived from Rice bran oil.
__________ can be decomposed by microorganisms to produce methane gas.
____________ could be the best alternative fuel.
Hydrogen is a clean fuel as it gives out only ________ wile burning.
______ is used as a reducing agent in steel manufacturing.
Match the following
- Combustion a. fuel
- fossil fuel b. Oxygen
- Diesel c. Brown coal
- Lignite d. Soft coal
- Bituminous coal e. natural gas
4 5 1 3 2
3 1 4 5 2
5 3 2 1 4
1 5 2 4 3
Match the following
- Soft coal a. carbon electrodes
- highest heat energy b. black gold
- Gas Carbon c. paraffin wax
- Candles d. Bituminous coal
- Petroleum e. Anthracite coal
3 4 5 1 2
5 3 2 1 4
4 5 3 2 1
1 4 5 2 3
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