Mark the correct reason why tungsten is used for making filament of electric lamps.

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Tungsten oxidizes easily

It has a low boiling point

It has a high melting point

None of these

answer is C.

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Detailed Solution

Concept: You must be aware of the fact that tungsten is a common component of high-speed steel, a heavy metal alloy used to make cutting tools, in order to tackle this problem.
Tungsten is utilized in electric bulbs due to its high melting point and inability to oxidize. Thus, even when a high quantity of heat is created owing to current passing through the filament, tungsten filament does not melt (via heating effect of current).
In the creation of so-called "Super-alloys," it is also utilized to create coatings that are wear-resistant. As a result, tungsten is protected against loss. You may solve your problem and get the perfect response by being aware of these tungsten qualities.
Hence, the correct option is 3.

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