A. sand and water Heterogeneous mixture because in this form of mixture the composition of substance are not uniform and the component of mixture also visible
B. sugar and water Homogeneous mixture because, in which the composition of the substances is uniform
C. baking soda and water Homogeneous mixture because, in which the composition of the substances is uniform
D. salt and water, Homogeneous mixture because, in which the composition of the substances is uniform
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.
Lemon-flavored water is an example of homogeneous mixture because in this the composition of the substances is uniform.
2. Heterogeneous mixture
In this form of mixture the composition of substance are not uniform and the component of mixture also visible.
Stuffed mushrooms is an example of Heterogeneous mixture because in this form of mixture the composition of substance are not uniform and the component of mixture also visible.