NCERT solution for class 8 //Science //Chapter 6 -- Combustion and flame
NCERT solutions > class 8 > Science NCERT solution for class 8 //Science // Chapter 6 -- Combustion and flame Q1. List conditions under which combustion can take place Answer - Combustion can takes place under following conditions Presence of goods fuel Presence of more oxygen in air Ignition temperature Q2. Fill in the blanks. a) Burning of wood and coal causes pollution of air pollution b) A liquid fuel used in homes is LPG ( Petroleum gas) c) Fuel must be heated to its ignition temperature before it starts burning d) Fire produced by oil cannot be controlled by Water Q3. Explain how the use of CNG in automobiles has reduced pollution in our cities . Answer - CNG is a cleaner fuel it does not causes any harmful product but fossil fuel like a petroleum causes the incomplete carbon particles along with carbon monoxide gas and it increase...