Which one contains minimum percentage of SiO 2 ? Options: A . &nbspFirebrick B . &nbspSillimanite C . &nbspSemi-silica D . &nbspAluminous firebrick

Question

Which one contains minimum percentage of SiO₂?

Options:

A . Firebrick

B . Sillimanite

C . Semi-silica

D . Aluminous firebrick

Answer: Option B

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