Question

what is meant by coal gas​

Answer 1

Answer:

the upper para is known as coal gas

Answer 2

Answer:

coal gas is obtained during the processing of coal to get coke. It is used as a fuel in many industries situated near the coal processing plants.Coal gas was used for street lighting for the first time in london in 1810 and in new york around 1820.Now a days ,it is used as a source of heat rather than light.