Q. 3.5 - An Introduction to General, Organic, and Biological Chemistry

Question

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

a. vegetable soup

b. tea

c. fruit salad

d. teat with ice and lemon slices

Step-by-Step Solution

Answer

a. Vegetable soup is a heterogenous mixture

b. Tea is a homogenous mixture

c. Fruit salad is a heterogenous mixture

d. Tea with ice and lemon slices is a heterogenous mixture

Step 1: Given Information (a)

(a) Is the vegetable soup in the lunch menu are homogeneous or heterogeneous. 

Step 2: Explanation (a)

(a) Vegetable soup:
Vegetable soup contains liquid part which is stock of vegetables and a few of the steamed vegetables in addition. As it is not uniform in composition, it is a heterogeneous mixture.

Step 3: Given Information (b)

(b) Is the Tea homogeneous or heterogeneous?

Step 4: Explanation (b)

(b) Tea: Tea is a mixture of sugar, powder, water and milk. But, when Tea is made, the decoction is filtered, and the resultant solution has a uniform composition throughout. Therefore, Tea is a homogeneous mixture. 

Step 5: Given Information (c)

(c) Is the Fruit salad in the lunch menu are homogeneous or heterogeneous. 

Step 6: Explanation (c)

(c) Fruit salad:
Fruit salad could be a combination of many fruits that are not uniformly distributed; hence, the salad is clasified as a heterogeneous mixture given the non-uniform composition. 

Step 7: Given Information (d)

(a) Is the tea with ice and lemon slices in the lunch menu are homogeneous or heterogeneous?

Step 8: Explanation (d)

(d) Tea with ice and lemon slices:
Tea present with ice and lemon slices don't form a uniform mixture hence it's classified as a heterogeneous mixture.