Proper noun-It is called as concrete noun,which we can watch, touch, hear, smell, taste.
Example:Sunflower, Ram, The Ganga etc.
Common noun-It is the opposite of proper noun. It refers to a person or things.
Example:Man, Book, River, Country etc.
Collective noun-It binds a group of person or things.
A flock of sheep.
A crowd of people.
An army of soldiers.
The committee has approved the decission.
Material noun-It refers to the things that is used to made anything.
River is common noun.But river made by water. So water is a material noun.
Sheep is a common noun. But the meat of sheep is called mutton. So mutton is a material noun.
Abstract noun-It refers to those things that you cannot feels with your five senses.
They praised the honesty of the boy.
He committed a theft.
She is a beauty.
Note:Noun can be also divided into two parts, countable and uncountable nouns.
Boy, Apple, House etc. are countable nouns.
* Many, few, a few, several etc. are used before countable noun.Ex- A boy, Many cows, few books, several boys.
Water, Air, Sand, Wood etc. are uncountable noun.
*Much, money, little, water are used before uncountable noun.Ex- Much money, little water.