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Q.

The element 'Sc' is known long back as

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a

eka-aluminium

b

eka-boron

c

eka-silicon

d

eka-mercury

answer is B.

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Detailed Solution

The element ‘Sc’ used to be known as eka-boron since it belonged in group III of the periodic table and Boron was the first element in that group.

Therefore, option B is the correct answer

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