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_______ is used for the galvanisation of iron sheets.

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_______ is used for the galvanisation of iron sheets.

(a) Sodium

(b) Aluminium

(c) Copper

(d) Zinc

I got this question during an online exam.

I would like to ask this question from Roof Coverings for Pitched Roofs topic in chapter Roofing Materials of Construction & Building Materials

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Right answer is (d) Zinc

The best I can explain: Zinc is used for the galvanisation of iron sheets. It is done in order to prevent the rusting of iron by cutting the contact of iron with air or moisture.

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