Answer in one word or a single sentence:-
---------------------------------------------\_/------
Q:- How is the calorific value of a fuel expressed?
Q:- List the conditions essential for combustion.
Q:- Why is combustion considered to be a chemical change.
Answers
Answered by
3
Answer:
1. kilojoule per kg (kJ/kg).
2. heat, oxygen, fuel
3. Combustion reactions always involve molecular oxygen.
Answered by
0
1. Kilojoule per kg (kJ/kg).
2. Heat , Oxygen and Fuel
3. There is release of so much energy and thus the end products are chemically different from the substances before the chemical reaction.
Similar questions