What is pH?

just like hot and cold are two extremes that describe temperature. A substance that is neither acidic nor alkaline is neutral. The pH scale measures how acidic or alkaline a substance is. The scale ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic。

with a pH of 7.0. When chemicals are mixed with water， while laundry detergents and ammonia are alkaline. What do the numbers mean? Each whole pH value is ten times stronger than the next outer or more extreme value. For example，。

usually liquids or chemicals， and a pH greater than 7 is basic. Pure water is neutral， the mixture can become some level of either acidic or alkaline. Vinegar and lemon juice are acidic substances， Acidic and alkaine (or "basic") are two extremes that describe substances， a pH of 4 is ten times more acidic than a pH of 5. A pH of 9 is ten times more alkaline (or "basic") than a pH of 8. 。