Answer in a word:(i)Which makes iron hard and strong?(ii)Which is alloyed with any other metal to make an amalgam?(iii)Which is used to galvanize iron particles?(iv)Whose particles when exposed to air form a black coating?

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Answer for the above questions are:

(i) Carbon (C)

(ii) Mercury (Hg)

(iii) Zinc (Zn)

(iv) Silver (Ag)

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Updated on: 10-Oct-2022

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