Question

Fill in the blanks in the following sentences.
(a) Coal is one of the ________ used to cook food.
(b) When heated in air, coal burns and produces mainly ________
gas.
(c) Coal tar is a black, thick ________ with an ________ smell.
(d) Petroleum, ________ and ________ are fossil fuels.
(e) Forests and coal are ________ natural resources


NCERT Class VIII
Science - Exemplar Problems

Chapter 5. Coal and Petroleum

Answer 1

i.fuel
ii.co2
iii.liquid ,punget
iv kerosene  disel
v. exhaustible

Answer 2

a] Fuel
b]Carbon-di-oxide[Co2]
c]Thick liquid,Unpleasant
d]diesel,Kerosene
e]exhaustible