The correct option is C They are homogenous mixtures.
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
A solution is a homogeneous mixture of two or more substances.
∙ The substance present in a minor amount is known as solute and the one present in major amount is called solvent.
∙ The particles of the solute are so small that we can not see them by naked eyes. Due to their small size, they do not scatter a beam of light.