Question

Which is the odd one out between: i) aluminium
ii) iron
iii) copper
iv) bismuth
v) nickel

Answer 1

Bismuth because it is a radioactive element while others are not.

Answer 2

$\huge\fbox\color{purple}Answer:-✍$

The odd one is Bismuth . Because its an radioactive element and others are not.

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☘Hope it helps❢❢

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Glad to help u

❤❀Thankew❀❤