2. Differentiate between renewable and non-renewable energy. Give two examples for each 3. Define the law of conservation of energy and make two practical examples [3] 4. Mention and explain 5 forms of energy 5. Give 7 types of biomass thermochemical conversion technologies and explain the differences amongst them as well as examples where possible 6. Give three types of heats involved during the process of heat transfer and give a practical example for each 7. Define Biomass in terms of photosynthesis reaction and provide a chemical reaction [5] 8. Give three latest technologies and features used to determine the composition of biomass 9. Proximate analysis of a wood (See table below) containing 15% of lignin sample is given below. Calculate the percentage of hemicellulose if cellulose shares the same percentage as volatile matter [5]