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0 votes
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in Chemistry by (56.9k points)

The incorrect statement among the following is 

a) hydrogen is used to reduce NiO 

b) zirconium is refined by van Arkel method 

c) the sulphide ore galena is concentrated by froth floatation process 

d) in the metallurgy of iron flux used is SiO2

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1 Answer

+1 vote
by (54.0k points)

d) in the metallurgy of iron flux used is SiO2

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