Question

1. What are fossil fuels ?
2. How is coal gas obtained from coal ?​

Answer 1

Answer:

1. Fossil fuels, including coal, oil and natural gas, are currently the world's primary energy source. Formed from organic material over the course of millions of years, fossil fuels have fueled U.S. and global economic development over the past century.

2. Coal gas, gaseous mixture—mainly hydrogen, methane, and carbon monoxide—formed by the destructive distillation (i.e., heating in the absence of air) of bituminous coal and used as a fuel. Sometimes steam is added to react with the hot coke, thus increasing the yield of gas. Coal tar and coke (qq.

Answer 2

Answer:

Fossil fuels are natural resources which are formed under high pressure and very high temperature under the earth surface by millions year ago.