The percentage of abundance of three elements $X, Y$ and $Z$ in the earth's crust are about $27.7$,$8.3$ and $46.0$ by mass respectively. $X, Y$ and $Z$ are
- A$O, Si, Al$
- B$Al, Si, O$
- C$Si, Al, O$
- D$Al, O, Si$
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Similar Questions
Identify the ore that does not contain iron.
Which mineral does not contain $Al$?
Medium
View SolutionWhich of the following compositions does not contain tin $(Sn)$?
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View SolutionAssertion: Pure iron is not used for making tools and machines.
Reason: Pure iron is hard.
Reason: Pure iron is hard.
MediumAIIMS 1998
View SolutionMatch the following ores with their compositions:
$A$. Calamine $i$. $CuFeS_2$ $B$. Chalcopyrite $ii$. $ZnCO_3$ $C$. Bauxite $iii$. $Fe_2O_3$ $D$. Haematite $iv$. $Al_2O_3 \cdot 2H_2O$
| $A$. Calamine | $i$. $CuFeS_2$ |
| $B$. Chalcopyrite | $ii$. $ZnCO_3$ |
| $C$. Bauxite | $iii$. $Fe_2O_3$ |
| $D$. Haematite | $iv$. $Al_2O_3 \cdot 2H_2O$ |
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