Question

Classify the following as a solution, suspension or colloid

(a) Brine

(b) milk

(c) sand and water

(d) soda

(e) air

(f) smoke

(g) chalk and water​

Answer 1

Solution - (a) Brine . Suspension - (c) sand and water, (g) chalk and water​ Colloid - (e) air, (f) smoke , (d) soda , (b) milk

Step-by-step explanation:

A solution is an homogeneous mixture of two or more compounds.

A suspension is a heterogeneous mixture of two or more compounds while a colloid is a homogeneous mixture of two or more compounds with suspended particles which do not settle.

So, under these definitions, the classifications are as follows-

Solution - (a) Brine .

Suspension - (c) sand and water, (g) chalk and water​

Colloid - (e) air, (f) smoke , (d) soda , (b) milk