Question

B. Fill in the blanks :
1. The process of burning in the presence of oxygen is called
is the example of a inflammable substance.
2
.
3. A fire caused due to electricity is extinguished by using
4. Different fuels have different
combustion.
5. The middle part of flame is red due to​

Answer 1

Answer:

Explanation:

1. combustion
2. Petrol
3. CO2
4. calorific value
5. partial combustion