Question

Tick True/False against the following statements. ​
(a) Fossil fuels can be made in the laboratory. (T/F)
(b) CNG is more polluting fuel than petrol. (T/F)
(c) Coke is the almost pure form of carbon. (T/F) ​
(d) Coal tar is a mixture of various substances. (T/F)
(e) Kerosene is not a fossil fuel. (T/F)

Answer 1

(a) False
Fossil fuels can be made in the laboratory. The statement is false. ​

Fossil fuels like coal, petroleum, and natural gas were formed from the dead remains of living organisms (fossils). So, these are all known as fossil fuels. It can not be synthesized in the laboratory.

(b) False
CNG is known as clean fuel because it creates very less pollution.​

Therefore, the given statement is false. ​

(c) True
Coke is a tough, porous and black​

substance. It is an almost pure form of carbon. ​
Therefore, the given statement is true.​

(d) True

Coal tar is a black, thick with an unpleasant smell. It is a mixture of about 200 substances. ​
Therefore, the given statement is true.

(e)
Kerosene is obtained by refining petroleum. Petroleum is a fossil fuel. Therefore, kerosene is also a fossil fuel.

Hence, the given statement is false.