Question

what is the uses of coal. write any 6 points.​

Answer 1

Answer:

Generating Electricity

Coal is generally used in thermal power generation which further helps to produce electricity. Powdered coal is burnt at high temperature which further turns water into steam.

Production of Steel

In the steel industry coal is used indirectly to make steel. What happens here is that coal is baked in furnaces to form coal coke. Once this is formed, manufacturers use coal coke to smelt iron ore into iron and make steel.

Industries

Many industries use coal to manufacture certain products. Some of the popular industries which make use of coal are the cement industry, paper and aluminium industry, chemical and pharma industry amongst others. Coal provides numerous raw materials like benozle, coal tar, sulphate of ammonia, creosote, etc. to chemical industries. Coal is mostly used as a source of energy is most of the industries

Specialist Products

Coal is also an essential ingredient in the production of specialist products such as activated carbons, carbon fibre and silicon metals.

Domestic Use

In cold regions and in developing or underdeveloped countries coal is still used as fuel for cooking and a source of heat.

Answer 2

Explanation:

Other properties, such as hardness, grindability, ash-fusion temperature, and free-swelling index (a visual measurement of the amount of swelling that occurs when a coal sample is heated in a covered crucible), may affect coal mining and preparation, as well as the way in which a coal is used.