Q3
Upon addition of sodium oxide to molten silicate slag, the viscosity of the slag
A.
decreases because the oxygen ions supplied by the sodium oxide break the chain structure of the silicate slag
AnswerB.
increases because the oxygen ion supplied by the sodium oxide further add to the oxygen network in the slag
C.
remains unaffected because fundamentally one can not distinguish between the oxygen ions supplied by the sodium oxide and those already present in the slag
D.
remains unaffected because the oxygen ions fill up the holes and vacancies present in the liquid slag
Answer: Option A
Solution
Answer: Option A
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