The sequence of refractory materials according to increasing melting p – McqOptions

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1.	The sequence of refractory materials according to increasing melting points is :
A.	Dolomite, Magnesia, Bauxite, Chromite
B.	Bauxite, Chromite, Dolomite, Magnesia
C.	Magnesia, Bauxite, Dolomite, Chromite.
D.	none of these.
Answer» C. Magnesia, Bauxite, Dolomite, Chromite.

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