Final answer:
Orange juice is an uncountable noun. It cannot be made plural and is used to represent substances, liquids, and concepts.
Step-by-step explanation:
Orange juice is an uncountable noun.
Uncountable nouns are singular and cannot be made plural by adding an 's'. They represent things that we cannot count or divide into separate units, such as substances, liquids, and concepts.
For example, you cannot say 'two orange juices', instead, you would say 'two glasses of orange juice'.
Learn more about Countable and uncountable nouns