Chemistry (2110001-GTU) Assignment-7

1. Define fuel and combustion. 
2. What are the types of fuels? Explain them with advantages and disadvantages.
3. Define calorific value. Give its importance. List some examples.
4. Give some properties of good fuel.
5. What is proximate and ultimate analysis of coal? Write a note on analysis of coal.
6. Prepare a note on LPG, Natural gas and CNG.
7. Explain refining of petroleum by fractional distillation with diagram.
8. What is call biogas? Write short note on it.