Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors.?

Pure oxide refractories are generally monocrystaliine in nature and ar

1.	Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors.?
A.	Beryllia
B.	Carborundum
C.	Corundum
D.	Thoria
Answer» B. Carborundum