Question

(a) What happens when carbon burns in air ? Write the chemical equation of the reaction which takes place.
(b) Why are coal and petroleum called fossil fuels ?
(c) Explain how coal was formed in the earth.
(d) Describe how petroleum was formed in the earth.
(e) Name a fossil fuel other than coal and petroleum.

Lakhmir Singh Chemistry Class 10

Answer 1

b...
coal and petroleum are called fossil fuels because those substance s which are formed under earth from the pre historic remains of the organisms ....

c...
go through the s.chand

e...
natural gas

sorry not possible to answer all of them ...shortage of time....go to s chand these one are easy


hope it will help u