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in Chemistry by (121k points)
Which of the following statemetn is/are incorrect?
A. Combination of tin stone and wolframite is non magnetic.
B. No external reducing agent is required for the extraction of Hg from HgO.
C. For Cu extraction in bessmer converter, the process like slag formation, oxidation and reduction take takes.
D. Poling method is mainly used when impure metal is having its oxide as impurity.

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1 Answer

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by (121k points)
Correct Answer - A

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