The properties of eka-aluminium predicted by Mendeléev are the same as the properties of later discovered element:

1. Scandium
2. Germanium
3. Gallium
4. Aluminium

Correct Answer: (c) Gallium  

Explanation:  Eka-aluminium and gallium are the same elements as Eka-Aluminum has almost exactly the same properties as the actual properties of the gallium element. The properties like atomic mass, density, melting point, the formula of chloride, and formula of oxide are almost the same as predicted by Mendeleev.

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Updated on: 10-Oct-2022

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