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General Principles and processes of Isolation of Elements
easy
Which of the following statement is not correct?
A
Tin stone is separated from non-magnetic impurity of wolframite by electrolyic separation
B
$CO$ act as reducing agent is most part of blast furnance during extraction of iron
C
A silicate slag is obtained during the extraction of $Cu$ from $CuFeS_2$ and iron from haematite
D
none of the above
Solution
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Standard 12
Chemistry
Similar Questions
Match List$-I$ with List $- II :$
|
List$-I$ (Name of ore/mineral) |
List$-II$ (Chemical formula) |
| $(a)$ Calamine | $(i)$ $\mathrm{Zns}$ |
| $(b)$ Malachite | $(ii)$ $\mathrm{FeCO}_{3}$ |
| $(c)$ Siderite | $(iii)$ $\mathrm{ZnCO}_{3}$ |
| $(d)$ Sphalerite | $(iv)$ $\mathrm{CuCO}_{3} \cdot \mathrm{Cu}(\mathrm{OH})_{2}$ |
Choose the most appropriate answer from the options given below :
