Question

Which of the following conditions are essential for
rusting?
(i) Presence of air
(ii) Presence of moisture
(iii) Presence of sunlight
Mark the correct option.
(1) (i) & (ii) (2) (ii) & (iii)
(3) (i), (ii) & (iii) (4) (i) & (iii)

Answer 1

The conditions that are essential for rusting is the presence of air and moisture which is the first option.

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