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what is an alkali? what are alkaline in nature?
Alkalies are readily soluble in water and form strongly basic solutions with a characteristic acid taste.They neutralize acids, forming salts and water.Strong alkalies  are sometimes called caustic alkalies.The term alkali orginally applied to salts obtained from plant ashes and is sometimes applied to a carbonate of sodium or potassium or to the hydroxide of an alkaline-earth metal.


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