Question

When hydrogen gas is burnt in presence of oxygen water is formed

Answer 1

Answer:

yes

Explanation:

H2+O2------ H2O (in presence of air)

Answer 2

Answer: a

Explanation: The fuel is burnt in the presence of oxygen to generate energy in the form of heat. This heat energy can be used for electrical power generation in steam power plants and for propelling ships, automobiles and locomotives, etc.