Q18 of 141 Page 14

State the conditions essential for combustion to take place.

The conditions for combustion to take place are:
(i) Presence of a combustible substance.
(ii) Presence of a supporter of combustion like air or oxygen.
(iii) Presence of a combustible substance to its ignition temperature.

More from this chapter

All 141 →
16 How much energy will 1 kg mass of wood yield on complete combustion if its calorific value were 15 kJ/g? 17 Suppose the average solar energy incident on the green canopy (leaves) of a tree is 108 J per day. The calorific value of the wood obtained from the tree could convert 1% of incident solar energy as wood, how many days will it take to produce 10 kg of wood? 19 Explain how knowledge of the conditions of combustion could help in fire fighting. 20 What constitutes a source of energy?