Base Definition & Meaning - Merriam-Webster
: any of the five purine or pyrimidine bases of DNA and RNA that include cytosine, guanine, adenine, thymine, and uracil

Base | Definition, Examples, & Facts | Britannica
Examples of bases are the hydroxides of the alkali and alkaline earth metals (sodium, calcium, etc.) and the water solutions of ammonia or its organic derivatives . Such substances produce hydroxide ions (OH-) in water solutions (see Arrhenius theory).

What Is a Base in Chemistry? Definition and Examples
Learn about the properties of bases and see examples of bases and their uses. Base Definition. All bases react with acids to form salts, but there are different definitions of what, exactly, a base is. Each base definition has a corresponding acid definition. Arrhenius: An Arrhenius base releases hydroxide ions (OH –) in aqueous solution.

6.1: What is an Acid and a Base? - Chemistry LibreTexts
The earliest definition of acids and bases is Arrhenius's definition which states that: An acid is a substance that forms hydrogen ions H + when dissolved in water, and A base is a substance that forms hydroxide ions OH - when dissolved in water.

Examples Of Bases - Definition, Types and Properties of Base
Most bases are minerals that react with acids to form water and salts. Bases include the oxides, hydroxides and carbonates of metals. The soluble bases are called alkalis.

Acids and Bases - Definition, Examples, Properties, Uses with ...
The sodium hydroxide, calcium carbonate and potassium oxide are examples of bases. A base is a substance that reacts with hydrogen ions and can neutralize the acid. Most bases are minerals which form water and salts by reacting with acids. Bases include the metal oxides, hydroxides, and carbonates.

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