What pH range is identified as alkaline?

The pH scale measures how acidic or alkaline a substance is, with values ranging from 0 to 14. A pH of 7 is considered neutral, indicating a balance between acidity and alkalinity. Alkaline substances, also known as basic substances, have a pH greater than 7. The range identified as alkaline starts at a pH of 8 and goes up to 14, making the correct identification of this range crucial for understanding chemical properties in biological systems and other contexts. Options that include a pH ranging between 0 and 6 denote acidic properties, while a pH of 6 to 8 straddles the neutral zone and barely encompasses the lower end of basicity. Thus, the choice of the range from 8 to 14 precisely defines what is understood as alkaline.