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

2

Answers

2015-06-11T20:03:20+05:30
I.fuel
ii.co2
iii.liquid ,punget
iv kerosene  disel
v. exhaustible
0
2015-06-11T20:15:45+05:30
A] Fuel
b]Carbon-di-oxide[Co2]
c]Thick liquid,Unpleasant
d]diesel,Kerosene
e]exhaustible
0