Paper, Orange, Table, Chocolate, Sandwich and Boy are countable noun which can be counted.

cottage cheese, Juice, Curd andĀ Pepper are uncountable noun which can not be counted.
The Brainliest Answer!
Countable refers to act of giving a definite numbers to the nouns

countable nouns : paper , orange ,table, chocolate, sandwich , boy.

uncountable refers to quantity ( in terms of weights or some physical measurements )

uncountable nouns : cottage cheese , juice ,curd , pepper .
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very well explained thanks for this