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11. You saw that certain parts of your roof made of galvanized iron have rust.
How will you prevent it from further rusting? I will
a. remove the rust using sandpaper and steel brush
b. tell my father to replace the roof with a new one
c. suggest to my father to apply paint on the roof​

Sagot :

MARYYVETTEGENETA143GO

Answer:

C.

Explanation:

A good quality paint will slow down rusting by preventing moisture from reaching the metal.

Paints can inhibit corrosion by modifying the anodic reaction; for this to occur the pigment must be either metallic, or basic, or soluble. In general, paint films protect by virtue of their high electrolytic resistance; they readily acquire a charge, consequently they are relatively impermeable to ions.

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