" 2.Which metals do not corrode easily? "

Which metals do not corrode casily?

(a) What is corrosion? (b) Name any two metals which do not corrode easily. (c) What is the corrosion of iron known as? (d) Explain why aluminium is a highly reactive metal, still it is used to make utensils for cooking.

Give reason for the following: Aluminium is a reactive metal but does not corrode easily.

Name two metals which corrode easily and two metals which do not corrode readily.

What is corrosion? Why aluminium sheets do not corrode easily? Write two necessary conditions for corrosion to take place.

Name two metals which do not correct easily . Give an example in each of the following case to support that : (i) Corrosion of some metals is an advantage. (ii) Corrosion of a metal is a serious problem .

Li_(2)CO_(3) decomposes on heating but the carbonates of other alkali metals do not decompose easily on heating. Why ?