Question

32 Which of these substances are heterogeneous mixtures?
1steam
11 Milk of magnesia
111 Crude oil
1v Rubbing alcohol
A 11 and 111
B 1 and 1V
C 11, 111 and IV
D 1, 111, and IV
E 1, 11, and 111

Answer 1

Mixture:

A mixture is made from two or more type of matter in any proportion. Mixture are generally two types:

1. Homogeneous mixture

This is also known as solution, in which the composition of the substances is uniform.

1. Heterogeneous mixture

In this form of mixture the composition of substance are not uniform and the component of mixture also visible.

1. Steam: is a homogeneous mixture
2. Milk of magnesia - heterogeneous mixture
3. Crude oil heterogeneous mixture
4. Rubbing alcohol or Isopropyl alcohol is a homogeneous mixture

Thus the correct answer is A 11 and 111