Anything below 7.0 is acidic, and anything above 7.0 is alkaline, or basic. pH scale, ranging from 0 (very acidic) to 14 (very basic/alkaline), and listing the pH values of common substances.
Five examples of acids are hydrochloric acid, sulphuric acid, nitric acid, lactic acid, and hydrobromic acid. Five examples of bases are potassium hydroxide, sodium hydroxide, calcium hydroxide, lithium hydroxide, and cesium hydroxide. The main distinguishing characteristic that sets acids and bases apart is their respective pH levels. Acids have pH levels that are below 7, while bases have pH levels that are above 7.
An acid is any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance. A base is a molecule or ion able to accept a hydrogen ion from an acid.
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