10 to 30% magnesite is added to chromite to produce chrome-magnesite r – McqOptions

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1.	10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite.
A.	spalling resistance
B.	refractoriness
C.	crushing strength
D.	resistance to slag
Answer» B. refractoriness

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