Which is correct?

A bar of chocolate / chocolates? Isn't countable noun?
A bar of chocolate = One piece of chocolate in the form/shape of a bar.
Bars of chocolate = two or more chocolates in the form/shape of a bar.

Should be " a bar of chocolate " .

If you want to talk about different kinds of chocolates , then you use " chocolates ".
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 V S Rao's reply was promoted to an answer.


I suppose "chocolate" is uncoutable, this way you cannot count chocolates. On the other hand, one can count bars of chocolate. Chocolate itself does not express the idea of unity, whereas for bars you can count as many as you want.

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