Question

read the passage and answer​

Answer 1

Answer:

1. when a reaction produces product and heat . in other words the evolution of heat is termed as exothermic reactions

2. combustion is a proces of burning a fuel and get CO2 free and it is also a exothermic one

3. it is a natural substance formed inside the earth . nowadays it became very essential.

dubai is the major producer of fuel

hope it will help u

Answer 2

Answer:

Exothermic reaction in which oxygen is present and a lot of heat is releases.

Combustion is a reaction in which it reacts rapidly with oxygen and gives heat.

Fuel is a material that is burned to produce heat and power.

hope it helps!!!