Combustion is a…
Both of these processes
None of these processes
Chemical process
Physical process
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Which fuel is the ideal fuel to be used at home ?
CNG
Wood
LPG
Coal
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There are following zones of a flame…
Two
Three
Four
No any zone
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Which substance give heat and light after combustion
Flame
Fuel
None of these
Combustion
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Coal burns with ______
Flame
None of these
Both flame and glow
Only glow
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Which of the following can be used to extinguish fire at the petrol pump ?
Blanket
Water
None of these
Carbon dioxide
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The substances which have very low ignition temperature will…
Will not catch fire
None of these
Catch fire easily
Catch fire after some time
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Burning of hydrogen is an example of…
explosion
slow combustion
rapid combustion
spontaneous combustion
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Burning of LPG at home is an example of…
slow combustion
spontaneous combustion
rapid combustion
explosion
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The gas required for combustion is …
oxygen
hydrogen
nitrogen
carbon dioxide
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