The three most abundant elements in the Earth's crust are:
- A$O, Si, Al$
- B$Si, O, Fe$
- C$Fe, Ca, Al$
- D$Si, O, N$
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Similar Questions
Which elements are found in the second and third positions in the Earth's crust,respectively?
Easy
View SolutionWhich one of the following sets is not correctly matched?
Which of the following is not an iron ore?
Which of the following alloys contains $Al$,$Cu$,$Mg$,and $Mn$?
$ACl_2$ (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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