The electric bulb on long use forms a black coating on its inner surface. The process associated with this is _________. (a) melting of tungsten (b) sublimation of tungsten (c) oxidation of tungsten (d) reduction of tungsten
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3
Answer:
B is the answer
Explanation:
Answered by
10
Answer:
(C) sublimation of tungsten
Explanation:
it produces heat
which creates sublimation of tungsten
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