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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
Similar Questions
Match List$-I$ and List|$-II.$
|
List$-I$ (Metal) |
List$-II$ (Ores) |
||
| $(a)$ |
Aluminium |
$(i)$ | Siderite |
| $(b)$ | Copper | $(ii)$ | Calamine |
| $(c)$ | Norethindrone | $(iii)$ | Kaolinite |
| $(d)$ | Zinc | $(iv)$ |
Malachite |
Choose the correct answer from the options given below:
