What is the sequence of conversion of wood to coal?
The slow conversion of wood into the coal under the influence of high temperature, high pressure and in the absence of air, is termed as carbonization.
What is the process of conservation of wood into coal?
The process of conversion of wood into coal is called carbonisation.
What is the process of conversion of coal called?
The Process of conversion of wood into coal by biochemical process is known as Carbonization. Coal burns cleaner than wood burning coal was easier because coal burned longer than wood.
Which is a better fuel coal or coke?
Coke is a better fuel than coal because; -Coke produces more heat on burning than coal. -Coke has a higher calorific value than coal. When equal masses of coke and coal are burnt, coke produces more heat.
What is the main reason coal is used to generate electricity Class 8?
Coal is a fossil fuel and is a hard stone-like substance that is black in colour due to the high pressure and temperature it was buried under. Coal is used as a heat source to cook food, to create steam to run trains and other engines, and in thermal power plants to generate electricity, among other things.
How is coal tar formed 8?
It is a tough and porous black solid substance. It is prepared by heating coal in the absence of air. 1)When coal is heated in the absence of air,then coal gas and coal tar are eliminated,and coke is left behind as a black residue.
Is used in the surfacing of roads?
Bitumen is the petroleum product used for surfacing of roads.
Which of the following minerals is present in coal?
Answer: Explanation: The most common minerals in coal (for example, illite clay, pyrite, quartz, and calcite) are made up of these most common elements (in rough order of decreasing abundance): oxygen, aluminum, silicon, iron, sulfur, and calcium.
What is the meaning of Coalification?
Coalification is a geological process of formation of materials with increasing content of the element carbon from organic materials that occurs in a first, biological stage into peats, followed by a gradual transformation into coal by action of moderate temperature (about 500 K) and high pressure in a geochemical …
What is coal write its uses?
The most important uses of coal it is primarily used as fuel to generate electric power, it is also used as production of steel, many industries use coal to manufacture certain product, coal is also used for domestic use in cold places or villages it is still used as fuel for cooking and a source of heat in winter and …