Explain the following types of chemical reactions giving two examples for each of them:

(a) combination reaction

(b) decomposition reaction

(c) displacement reaction

(d) double displacement reaction

What are oxides? Give two examples of each of the following oxides.

(a) Basic oxide

(b) Acidic oxide

(c) Amphoteric oxide

(d) Neutral oxide

How will you obtain?

(a) Magnesium oxide from magnesium.

(b) Silver chloride from silver nitrate.

(c) Nitrogen dioxide from lead nitrate.

(d) Zinc chloride from zinc.

(e) Ammonia from nitrogen.

Also give balanced equations for the reactions.

(a) What is meant by metal activity series?

(b) A metal P was placed in a solution of silver nitrate. After sometime, silver was deposited on metal P and the solution turned blue.

(i) Which is more reactive - metal P or silver?

(ii) What kind of reaction is this?

(iii) Give an example of this type of reaction.