Question

Which of the following is not a requirement of a practical fuel? It must contain a large amount of stored energy.

B. It must occur in abundance in nature or be easy to produce.

C. It must be made up of elements that combine easily with oxygen.

D. It must be in the solid state to be used.

Answer 1

d is not a requirement as good fuel can be in liquid as well as gaseous in nature

Answer 2

D. It must be in the solid state to be used, is not a requirement of practical Fuel. I took the test and it was 100 percent correct, good luck