Ferrosoferric oxide is known as .....
- AHematite
- BMagnetite
- CSiderite
- DIron pyrite
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Which element is alloyed with copper to form bronze?
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View SolutionCinnabar is the ore of
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View SolutionMatch 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 |
Match 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.
Naturally occurring substances from which a metal can be profitably (or economically) extracted are called
Medium
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