The main ore of aluminium is:
- ABauxite
- BCorundum
- CCryolite
- DMagnetite
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Similar Questions
The one that is not a carbonate is
"Metals are usually not found as nitrates in their ores."
Out of the following two $(a)$ and $(b)$ reasons,which is/are true for the above observation?
$(a)$ Metal nitrates are highly unstable.
$(b)$ Metal nitrates are highly soluble in water.
Out of the following two $(a)$ and $(b)$ reasons,which is/are true for the above observation?
$(a)$ Metal nitrates are highly unstable.
$(b)$ Metal nitrates are highly soluble in water.
Medium
View SolutionWhat are the oxidation states of iron and chromium in chromite ore,respectively?
Easy
View SolutionWhich of the following formulas represents galena?
Match the anionic species given in Column $I$ that are present in the ore$(s)$ given in Column $II$.
Column $I$ Column $II$ $A$. Carbonate $P$. Siderite $B$. Sulphide $Q$. Malachite $C$. Hydroxide $R$. Bauxite $D$. Oxide $S$. Calamine $T$. Argentite
| Column $I$ | Column $II$ |
|---|---|
| $A$. Carbonate | $P$. Siderite |
| $B$. Sulphide | $Q$. Malachite |
| $C$. Hydroxide | $R$. Bauxite |
| $D$. Oxide | $S$. Calamine |
| $T$. Argentite |
MediumIIT 2015
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