Like other citrus juices it is acidic.
acid
acid
acid
Acid
Acid
lime juice is an acid, not a base
base
it a base
Lemon juice is acidic.
They are both acidic
Lemon juice contains an acid (but by itself it is not an acid, because it is not a pure compound): citric acid makes lemon juice acidic.
The pH of apple juice is 3. It is an acid.