Entry Test MCQ :: s-BLOCK ELEMENTS

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The elements which are very abundant in earth crust are

[A].	Si & A?	[B].	Ca & Mg
[C].	B & A?	[D].	All

Answer: Option A

kalyani said:

i think silicon and aluminium .......am i right?

ayesha said:

a doesnt represents aluminum i think the right one is calcium and magnasium