Which describes an alkaline solution?
ph less than 7
ph equal to 7
basic
acidic

Alkaline solutions are basic so answer is C basic

An alkaline solution is also called a basic solution, and has pH > 7.
On the other hand, an acidic solution would have pH < 7. A neutral solution has pH = 7. The value of pH decreases as more hydrogen ions are present in the solution, so acids (which release hydrogen ions) have lower values of pH. Their opposites, bases, have higher pH levels.