Question

Arrange the different varieties of coal on the basis of carbon content

a) Lignite < Bituminous< Anthracite < Peat

b) Anthracite < Bituminous < Lignite < Peat

c) Peat <Lignite <Bituminous<Anthracite

d) Peat < Bituminous < Lignite < Anthracite​

Answer 1

Answer:

option d is correct as

peat have 30% carbon content

lignite = 38%

bituminous= 65%

anthracite= 90%