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- 1. Multiple Choice
Substance burns readily
Combustible Substance
Non- combustible substance
- 2. Multiple Choice
Device used to extinguish fire
Compressor
Fire extinguisher
- 3. Multiple Choice
Combustion is _________reaction
Reduction
Physical
Oxidation
- 4. Multiple Choice
Supporter of combustion
oxygen
Carbon dioxide
Nitrogen
- 5. Multiple Choice
Example of combustible substance
Glass
Iron
Petrol
- 6. Multiple Choice
Combustion of substance on its own without being ignited__________________
Rapid combustion
Spontaneous combustion
Slow combustion
- 7. Multiple Choice
Examples for slow combustion
Rusting of iron
Forest fire
Respiration
- 8. Multiple Choice
_____________cannot be used in case of electrical fires
Sand
Water
Fire extinguisher
- 9. Multiple Choice
_____________________is Hottest part of the flame
Middle luminous zone
Outermost non- luminous zone
Dark inner zone
- 10. Multiple Choice
Example of inflammable substance
wood
stone
LPG
- 11. Multiple Choice
Example of non- combustible substance
Glass
Paper
Stone
- 12. Multiple Choice
Example of spontaneous combustion
Rusting of iron
Yellow phosphorus
Crackers
- 13. Multiple Choice
Coldest region of candle flame
Dark inner zone
Outermost luminous zone
Lowest blue zone
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