The world alkali is used to refer to substances which have a pH (acidity or base value) of 7.0 or greater. These substances are usually water soluble salts, and they form soluble carbonates. They are sometimes referred to as bases and when mixed with fatty acids, they form soaps which are soluble in water.
1 Additional Answer
Ask.com Answer for:
what does alkali mean
NOUN [PLURAL AL·KA·LIS, AL·KA·LIES.]
Agriculture a soluble mineral salt or a mixture of soluble salts, present in some soils, especially in arid regions, and detrimental to the growing of most crops.