Q.

Eka-aluminium and EKa-silicon are known as

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a

Neutron and magnesium

b

Gallium and germanium

c

Aluminium and silicon

d

Iron and sulphur

answer is A.

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Detailed Solution

Rare earth elements:

  • eka-Boron-Scandium
  • eka-Aluminium-Gallium
  • eka-Manganese-Technetium
  • eka-Silicon-Germanium
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