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Combustion and Flame
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25/04/2021 3:14 pm
Topic starter
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 ……………
1 Answer
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25/04/2021 3:15 pm
1. pollution
2. kerosene
3. ignition temperature
4. water.