Last seen: Jul 17, 2023
Kinetic energy of water.
Kinetic energy.
Potential energy into electrical energy.
(a) Catalytic converter (b) It converts poisonous carbon monoxide into non-poisonous carbon dioxide and harmful nitrogen oxides into harmless nitrog...
(a) X is ethyl mercaptan (b) Ethyl mercaptan has a foul smell that can be detected easily.
Petrol is obtained from petroleum, which is a fossil fuel. Fossil fuels were originally made by sun’s energy because it was the sunlight of long ago t...
(a) X = Carbon (b) Another element which is usually found in combination with carbon in fossil fuels is hydrogen.
(a) Petroleum and natural gas. (b) Coal.
(a) The plants and animals which died millions of years ago and got buried deep in the earth, away from the reach of oxygen, got converted into fossil...
Natural fuels formed deep under the earth from the pre-historic remains of the organisms (like plants and animals) are called fossil fuels. Ex. Coal...
For the detection of leakage, a foul smelling substance called ethyl mercaptan is added to the LPG. In case of LPG leakage in the kitchen, following...
LPG is considered as a better fuel than coal because it has a higher calorific value, while burning it does not produce any smoke.
LPG is considered as good fuel because it has a high calorific value gives a smokeless flame.
We will use LPG due to its high calorific value and smokeless flame.
Pollution caused by the burning of fossil fuels can be controlled by the increasing the efficiency of combustion process and by using various techniqu...
Burning of fossil fuels leads to the production of many acidic gases like sulphur-dioxide and nitrogen dioxides. These gases causes acid rain which da...
Disadvantages of burning the fossil fuels are: (i) The burning of fossil fuels produce acidic gases. (ii) The burning of fossil fuels produce larg...
In a thermal power plant, heat produced by burning coal is used to boil water to form steam. The steam, at high temperature and pressure, rotates the ...
The traditional sources of energy which are familiar to most people are called conventional source of energy. Ex. Wood, coal etc.
Natural gas is considered to be a good fuel because it has a high calorific value, burns with a smokeless flame, causes no air pollution and does not ...