Question

what is similar in the following groups lemon juice,orange juice,milk

Answer 1

they are in liquid state

Answer 2

Groups:

Lemon juice, Orange juice, milk

Ph values:

Orange juice: 3.3 to 4.9

Lemon juice: acidic 2 to 3

Milk: 6.7 to 6.5 (basic)

all are liquid state in nature.