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General Principles and processes of Isolation of Elements
medium
Consider following statements Correct statements are
$(i)$ 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.
A
$(i)$ and $(ii)$
B
$(ii)$ and $(iii)$
C
$(i), (iii)$ and $(iv)$
D
All are correct
Solution
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Standard 12
Chemistry
