9th Class Science Is Matter Around Us Pure Question Bank MCQs - Is Matter Around us Pure

Select the homogenous mixture from the following

A) carbon dioxide gas dissolved in water

B) air containing suspended particles

C) soap bubbles formed by blowing air into soap solution

D) water in milk

Correct Answer: A

Solution :

[a]

Homogeneous mixture have uniform distribution whereas heterogeneous mixture does not have uniform composition.

(a) Carbon dioxide gas dissolved in water is a homogeneous mixture.

(b) Air containing suspended particles is heterogeneous mixture.

(d) Water in milk is heterogeneous mixture but it seems homogeneous. Under a microscopic examination, it is proved as heterogeneous.