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Q. Though the temperature inside lighted electric bulb is arounf 27000C, the filament does not burn because

  • (A) it does not burn in closed system
  • (B) it is made of non-metallic substance
  • (C) the oxygen necessary for combustion (and burning) is not available as the bulb is evacuated and filled with pure nitrogen of inert gas
  • (D) the metal of which it is made is resistant to burning
  • Correct Answer - Option(C)
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  • Filed under category Chemistry
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