Mixtures occur when two or more materials are combined and each material keeps its own properties. all of the following are mixtures except

a)
salad

b)
pizza

c)
water

d)
chocolate milk

Option (C) is the correct answer.

Explanation:

When two or more substances combine together then they result in the formation of mixture.

Unlike chemical substances, mixtures can be easily separated through physical means.

For example, mixtures can be separated by filtration, distillation etc.

Therefore, out of the given options, water is not a mixture because in water hydrogen and oxygen atoms are chemically bonded together by sharing of electrons.

it would stay the same