A number of elements available in earth's crust but most abundant elements are:

A l

and

F e

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A l

and

C u

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F e

and

C u

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C u

and

A g

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Solution

The correct option is C $A l$ and $F e$
Percentage abundance of elements in earth's crust are :
1. Oxygen - 46.6%
2. Silicon - 27.7%
3. Aluminium - 8.1%
4. Iron - 5.0%

Thus, aluminium and iron are the most abundant elements on earth crust among the given options.

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Similar questions

Arrange the following elements in the order of their abundance in Earth's crust:

Aluminium - $A l$ , Silicon - $S i$ , Oxygen - $O$ , Iron - $F e$ .

C u {S O}_{4}

E_{{C u}^{2 +} / C u}^{o} = 0.34 V

E_{{F e / F e}^{2 +}}^{o} = 0.44 V, E_{{A l / A l}^{3 +}}^{o} = 1.66 V

E_{N i / {N i}^{2 +}}^{o} = 0.25 V, E_{{A g}^{+} / A g}^{o} = 0.80 V

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