List of top Science Questions on What is Combustion? asked in CBSE Class VIII

Fill in the blanks:
  1. Burning of wood and coal causes ___ of air.
  2. A liquid fuel, used in homes is ___.
  3. Fuel must be heated to its ___   ___ before it starts burning.
  4. Fire produced by oil cannot be controlled by ___.
List conditions under which combustion can take place.