Though the temperature inside lighted electric bulb is
around 27000C, the filament does not burn because
(A) The metal of which it is made up of resistant burning
(B) The oxygen necessary for combustion (burning) is not
available as the bulb is evacuated and filled with pure
nitrogen or inert gas.
(C) It cannot burn in closed systems.
(D) It is made of non-metallic substance.
Answer / guest
(B) The oxygen necessary for combustion (burning) is not
available as the bulb is evacuated and filled with pure
nitrogen or inert gas.
| Is This Answer Correct ? | 4 Yes | 0 No |
Soft drinks such as colas contain significant quantities of (a) Caffeine (b) Nicotine (c) Tannin (d) Rennin
when was nifty index listed
. Ten percent of twenty plus twenty percent of ten equals (a) 10 percent of 20 (b) 20 percent of 10 (c) 1 percent of 200 (d) 2 percent of 200
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2 Answers Citi Bank, CitiGroup, DAV, Flora Dale, IBM,
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chief minister of delhi
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