WHAT IS AN IDEAL FUEL?

(a) What is a fuel ? Give five examples of fuels. (b) What are the characteristics of an ideal fuel (or good fuel) ? (c ) The calorific value and ignition temperature of fuel A are 55 kJ/g and 80^(@)C , respectively. These values for fuel B are 80 kJ/g and 10^(@)C , respectively. On burning, the fuel A produces CO_(2) and H_(2)O while the fuel B produces CO_(2), CO and SO_(2) . Give three points of relative advantages and disadvantages of these two fuels.

What is LPG ? What are its advantages as a fuel ?

What are the advantages of using natural gas ( or CNG ) as a fuel ?

What are fuel cells ? Explain the electrode reactions involved in the working of H_(2) - O_(2) fuel cell.