Usually refractory metals are used in construction of furances because:

they are chemically inert

their melting point is high

they can withstand high temperature

none of the above

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Usually refractory metals are used in construction of furances because:

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Text solutionVerified

The walls of a furnace should not react with metals or ore. So retractory metals are used as they are chemically inert.

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Question Text	Usually refractory metals are used in construction of furances because:
Answer Type	Text solution:1
Upvotes	150