Question

Question 4: Which of the following is regarded as the best variety of coal?
(a) bituminous
(b) lignite
(c) anthracite
(d) peat
Question 5: Which of the following is a non-polluting fuel for vehicles?
(a) petrol
(b) diesel
(c) kerosene
(d) CNG
Question 6: Which of these is not a fossil fuel? (a) CNG
(b) LPG
(c) petrol
(d) hydrogen
Question 7: Which of these is not a natural source of energy?
(a) coal
(b) petroleum
(c) electricity
(d) sun​

Answer 1

Answer:

Answer 4 : Anthracite

Answer 5 : CNG

Answer 6 : Petrol

Answer 7 : Sun

Answer 2

Answer:

question4: (c)

question 5:(d)

question 6:(c)

question 7:(d)