Question

A dietitian includes one of the following mixtures in the lunch menu. Classily each as homogeneous or heterogeneous.

a. nonfat milk

b. chocolate-chip ice cream

c. peanut butter sandwich

d. cranberry juice

Short answer

a. nonfat milk is a homogenous

b. chocolate-chip ice cream is a heterogenous

c. peanut butter sandwich is a heterogenous

d. cranberry juice is a homogenous

Step-by-step solution

Given Information (a)

(a) The nonfat milk in the lunch menu are homogeneous or heterogeneous.

Explanation (a)

(a) Nonfat milk:
Nonfat milk contains only milk without the fats which are generally observed as oil globules.
Hence the milkis assessed as homogeneous mixture.

Given Information (b)

(b) The chocolate-chip ice cream the lunch menu are homogeneous or heterogeneous.

Explanation (b)

(b) Chocolate chip and ice cream:
Chocolate chips arecover frozen dessert butthey're not evenly distributed hence the mixtureis assessed as heterogeneous mixture.

Given Information (c)

(c) The peanut butter sandwich in the lunch menu are homogeneous or heterogeneous.

Explanation (c)

(c)paste sandwich:
Thespread sandwichcould be a combination ofspread sauce appliedwithin the slice of bread. The mixtureis classed as heterogeneous mixture.

Given Information (d)

(d) The cranberry juice in the lunch menu are homogeneous or heterogeneous.

Explanation (d)

(d) Cranberry juice:
Thefruit crush could be a uniform mixture cranberry pulp, water, salt and sugar. These all components are uniformly distributed and henceit's classified as homogeneous mixture.