SATHEE: D And F Block Elements Question 49

D And F Block Elements Question 49

Question: Silica is added to roasted copper ore during smelting in order to remove

[KCET 1998]

Options:

A) Cuprous sulphide

B) Cuprous oxide

C) Ferrous oxide

D) Ferrous sulphide

Show Answer

Answer:

Correct Answer: C

Solution:

$ \underset{Impurity}{\mathop{FeO}},+\underset{Flux}{\mathop{SiO_2}},\to \underset{Slag}{\mathop{FeSiO_3}}, $

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D And F Block Elements Question 49

Question: Silica is added to roasted copper ore during smelting in order to remove

Options:

Answer:

Solution:

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