Cartas 1
There is bun on the table.
"Bun" is non-countable.
Cartas 2
I drink three waters after jogging.
"Water" is countable.
Cartas 3
My sister wants two pastas.
"Pasta" is countable
Cartas 4
I need two eggs for breakfast.
"Egg" is countable.
Cartas 5
I have 10 beans in the bag.
"Bean" is countable.
Cartas 6
I want to eat some rice.
"Rice" is non-countable
