Question

A. Tick() the correct answer.
1. Which of the following is not a fossil fuel?
a. Coal
b. Petroleum
C. Natural gas
d. Solar energy
2. The process of separating useful products from petroleum is called
a. factional distillation
b. refining
C. condensation
d. crystallisation
3. A dark-coloured liquid with an unpleasant smell obtained from coal is
a. kerosene
b. coal tar
c. alcohol
d. glycerine
4. Anaerobic condition means
a. absence of air
b. absence of carbon
c. absence of nitrogen
d. absence of helium
5. Which of the following is called 'black gold?
a. Diesel
b. CNG
c. Petroleum
d. Biogas
6. Which of the following has the lowest carbon content?
a. Anthracite
b. Lignite
C. Bituminous d. Peat
7. An example of renewable source of energy is
b. water
c. wind
d. all of these
8. Petroleum is obtained from
a. rocks
b. minerals
C. ocean bed
d. forests
9. A fuel should
a. have High calorific value
b. be cost effective
C. easy to handle
d. all of these
10. The fossil fuels are
a. renewable resources
b. non-renewable resources
c. both of these
d. none of these
a. air​

Answer 1

Answer:1-d,5-c

Explanation:

Answer 2

Answer:

Answer. petroleum is a fossil fuel. it is a dark coloured viscous and foul smelling liquid commonly called crude oil.

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