Consider following statements – (i) Froth floatation technique is u – InterviewSolution

1.	Consider following statements – (i) Froth floatation technique is used to concentrate sulphide ore. (ii) Froth floatation technique is based upon differential wettability of ore and impurity in water.(iii) Red Bauxite is concentrated by Bayer's process (iv) Carbon is used as reducing agent during extraction of zinc from zinc blende. Correct statements are –
Answer» (i) and (II) (ii) and (III) (i),(iii) and (IV) All are correct Answer :D

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