The calorific value and ignition temperature of fuel A are 55 kJ/g and 80oC, respectively. These values for fuel B are 80 kJ/g and 10°C, respectively. On burning, the fuel A produces CO₂ and H₂O while the fuel B produces CO₂, CO and SO₂. Give three points of relative advantages and disadvantages of these two fuels.

If you could use any source of energy for heating your food, which one would you use and why?

What is a good fuel?

What is a good source of energy?

Which of the two is a cleaner fuel: hydrogen or CNG? Why?

Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.

Why is there a need to harness non-conventional sources of energy? Give two main reasons.

What are the characteristics of an ideal fuel (or good fuel)?

Arrange the following fuels in order of increasing calorific values (keeping the fuels with lowest calorific value first):

LPG, Coal, Alcohol, Dung cakes, Diesel

The calorific value and ignition temperature of fuel A are 55 kJ/g and 80oC, respectively. These values for fuel B are 80 kJ/g and 10°C, respectively. On burning, the fuel A produces CO₂ and H₂O while the fuel B produces CO₂, CO and SO₂. Give three points of relative advantages and disadvantages of these two fuels.

What is a fuel? Give five examples of fuels.