(a) What are fuels ? Name any two common fuels.
(b) State any four characteristics of an ideal fuel (or good fuel).
Which of the following is/are the characteristics of a good fuel?
(a) Explain the structure of candle flame. Also, draw its diagram.
(b) What is calorific value?
(c) What are the characteristics of a good fuel?
List any four characteristics of a good fuel.
List any three characteristics of a good fuel. [3 MARKS]