Mention any two uses for the following. (4) 1) Coal 2) Coke 3) Coal tar 4) Coal gas
Answers
Answer:
Uses of coal :
Coal has many important uses worldwide. The most significant uses of coal are in electricity generation, steel production, cement manufacturing and as a liquid fuel. Different types of coal have different uses. Steam coal - also known as thermal coal - is mainly used in power generation.
Uses of Coke :
Coke is a grey, hard, and porous fuel with a high carbon content and few impurities, made by heating coal or oil in the absence of air—a destructive distillation process. It is an important industrial product, used mainly in iron ore smelting, but also as a fuel in stoves and forges when air pollution is a concern.
Uses of Coal Tar:
Coal tar belongs to a class of drugs known as keratoplastics. It works by causing the skin to shed dead cells from its top layer and slow down the growth of skin cells.
Uses of Coal Gas:
Coal gas is used in lighting. The gas is also used for heating. Most often than not many people use this gas for cooking. It is used as a fuel.
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