Question

Observe the following picture and answer the following questions : a ] What is a rust ? b] Write the chemical formula of rust .c] Write the reaction of oxidation of iron at anode.d ] Write the reaction of oxidation of iron at cathode .e ] What is corrosion​

Answer 1

Answer:

a: A fungal disease of plants which results reddish or brownish patches.

b: Fe2O3nH2

c:2Fe-2Fe^2+2e

d:O2+4e+2H2O-4OH

e: Corrosion is when a refined metal is naturally converted to a more stable form such as its oxide,hydroxide or sulphide state this leads to deterioration of the material.