Showing posts with label In which of the following activities silicon carbide is used? PAGE 252. Show all posts

Showing posts with label In which of the following activities silicon carbide is used? PAGE 252. Show all posts

Saturday, 12 December 2015

In which of the following activities silicon carbide is used?

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252. In which of the following activities silicon carbide is used?

A.  Making cement and glass
B.  Disinfecting water of ponds
C.  cutting very hard substances
D.  Making casts for statues

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