The linear thermal expansion of __________ bricks upto 1000 ¬∞C is very low of the order of ‚â§ 0.5 percent.

The linear thermal expansion of __________ bricks upto 1000 ¬∞C is

1.	The linear thermal expansion of __________ bricks upto 1000 ¬∞C is very low of the order of ‚â§ 0.5 percent.
A.	fireclay
B.	silica
C.	magnesite
D.	corundum
Answer» B. silica