ses
List conditions under which combustion can take place.
Fill in the blanks.
(a) Burning of wood and coal causes
of air.
(b) A liquid fuel, used in homes is
(c) Fuel must be heated to its
b
burning.
(d) Fire produced by oil cannot be controlled by
has reduce
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Answer:
fill in the blanks
a) pollution
b) LPG
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