Because of its very high refractoriness of the order of _________

Question

Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns.

Options:

A . 1800

B . 2200

C . 2400

D . 2700

Answer: Option D

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