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Question

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 _____  before it starts burning.
(d) Fire produced by oil cannot be controlled by ______ .


Solution

(a) Burning of wood and coal causes $$\text{pollution}$$ of air.

(b) A liquid fuel used in homes is $$kerosene$$.

(c) Fuel must be heated to its $$\text{ignition temperature}$$ before it starts burning.

(d) Fire produced by oil cannot be controlled by $$\text{water}$$.

Science
NCERT
Standard VIII

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