Question

which of the following is homogenus
a. air
b. muddy water
c.chalk in water
d. none of these​

Answer 1

Answer:

a.Air is the answer

Explanation:

A solution is a homogeneous mixture of two or more substances.

Answer 2

none of these

Explanation:

Muddy water contain many soluble amd insoluble impurities, chalk is composed of the shells of such minute marine organisms as foraminifera, coccoliths, and rhabdoliths. The purest varieties contain up to 99 percent calcium carbonate in the form of the mineral calcite and we know air is a mixture of many gases like N2,O2,CO2,NO2,