Question

Iron pipes, lying in acidic soil, are often attached to the blocks of magnesium for their protection from rusting, because magnesium :
(a) is lighter than iron
(b) is readily converted into positive ion
(c) forms a corrosion-resistant alloy with iron
(d) prevents air from reaching the surface of iron

Answer 1

D IS CORRECT ANSWER........

Answer 2

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (D)

That's it..