Question
What makes the molding sand refractory?
Answer: Option C
Answer: (c).Silica
Was this answer helpful ?
Answer: (c).Silica
Was this answer helpful ?
More Questions on This Topic :
Question 1. How much clay does loam sand contain?....
Question 9. Why is sulfur in pig iron kept low?....
Question 10. The size of pig iron is _________ (in inches).....
Submit Solution