The mixture of alcohol and water is a homogeneous mixture where the components are thoroughly mixed and cannot be separated by naked eyes.
The easiest way to separate alcohol from water is by boiling the mixture. The boiling point of alcohol is lower than that of water. Therefore, alcohol will turn into steam before water. This steam can easily be condensed into a separate container.
A polyatomic ion is a charged chemical species<span> made up of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as one unit. I hope this helped, sweetie.</span>
