Hydrogen burning in the presence of oxygen produces a large amount of heat, even then it is a clean fuel.
Question 9
(a) ___ is a material that burns in the presence of oxygen to release carbon dioxide and a large amount of energy.
(b) Which among the given fuels would result in the least amount of residue on burning?
1. Coal
2. LPG
3. Petrol
If hydrogen burns in air to produce oxygen, why a rocket which contains hydrogen as fuel produces smoke during its launch?