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Question


Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-Silicon and Eka-Aluminium.
Name the elements which have taken the place of these elements


A

Germanium (Ge), Gallium (Ga)

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B

Lithium (Li), Gallium (Ga)

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C

Germanium (Ge), Silicon (Si)

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D

Aluminum (Al), Silicon (Si)

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Solution

The correct option is A

Germanium (Ge), Gallium (Ga)


Mendeleev assigned names eka-silicon and eka-aluminum to germanium (Ge) and gallium (Ga) respectively. These elements were predicted by Mendeleev but were not known at that time.


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