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General Principles and processes of Isolation of Elements
easy
Which one of the following ores is best concentrated by froth floatation method ?
A
Galena
B
Malachite
C
Magnetite
D
Siderite
(JEE MAIN-2016)
Solution
Forth floatation method is mainly applicable for sulphide ores.
$(1)$ Malachite ore : $C u(O H)_{2}, C u C O_{3}$
$(2)$ Magnetite ore : $F e_{3} O_{4}$
$(3)$ Siderite ore : $F e C O_{3}$
$(4)$ Galena ore: $P b S$ (Sulphide Ore)
Standard 12
Chemistry
Similar Questions
Match List$-I$ with List$-II.$
| List$-I$ | List$-II$ |
|
$(a)$ Siderite |
$(i)$ $Cu$ |
| $(b)$ Calamine | $(ii)$ $Ca$ |
| $(c)$ Malachite | $(iii)$ Fe |
| $(d)$ Cryolite | $(iv)$ $Al$ |
| $(v)$ $Zn$ |
Choose the correct answer from the options given below :
