In the extraction of copper,the ore used is:
- A$Cu_2S$
- BPyrites
- CSilver argentocyanide
- D$CuFeS_2$
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Similar Questions
Match the ores (Column $A$) with the metals (Column $B$):
Column $A$: Ores Column $B$: Metals $I$. Siderite $a$. Zinc $II$. Kaolinite $b$. Copper $III$. Malachite $c$. Iron $IV$. Calamine $d$. Aluminium
| Column $A$: Ores | Column $B$: Metals |
| $I$. Siderite | $a$. Zinc |
| $II$. Kaolinite | $b$. Copper |
| $III$. Malachite | $c$. Iron |
| $IV$. Calamine | $d$. Aluminium |
Sapphire is a mineral of
Easy
View SolutionThe ore in which sulphide is absent :
$(I)$ Cuprite
$(II)$ Argentite
$(III)$ Pyrites
$(IV)$ Siderite
$(I)$ Cuprite
$(II)$ Argentite
$(III)$ Pyrites
$(IV)$ Siderite
Easy
View SolutionMatch List-$I$ with List-$II$.
List-$I$ (Ore) List-$II$ (Element Present) $a$. Kernite $i$. Tin $b$. Cassiterite $ii$. Boron $c$. Calamine $iii$. Fluorine $d$. Cryolite $iv$. Zinc
Choose the most appropriate answer from the options given below.
| List-$I$ (Ore) | List-$II$ (Element Present) |
|---|---|
| $a$. Kernite | $i$. Tin |
| $b$. Cassiterite | $ii$. Boron |
| $c$. Calamine | $iii$. Fluorine |
| $d$. Cryolite | $iv$. Zinc |
Choose the most appropriate answer from the options given below.
$ACl_2$ (excess) + $BCl_2$ $\rightarrow$ $ACl_4$ + $B \downarrow$
$BO \xrightarrow[\Delta]{> 400 \ ^oC} \frac{1}{2} O_2 + B$
If $A$ and $B$ are metals,then the ore of $B$ would be:
$BO \xrightarrow[\Delta]{> 400 \ ^oC} \frac{1}{2} O_2 + B$
If $A$ and $B$ are metals,then the ore of $B$ would be:
Difficult
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