An acid is a molecule or substance that has a pH value less than 7.0 when it is present in an aqueous solution. An aqueous solution is any solution where water is a solvent. Acids are termed as compounds that donate H+ (hydrogen ion) to another compound known as base.
An Acids increases the concentration of H+ ions.
Base
A base (alkaline) is a molecule or substance that has a pH value higher than 7.0 when present in an aqueous solution. Bases are the exact chemical opposite of acids. In chemistry. They are substances that, in aqueous solution, release hydroxide (OH−) ions.
A base is a substance that releases hydroxide (OH-) ions in aqueous solution, donates electrons and accepts protons.
SIMILARITIES BETWEEN ACIDS AND BASES
Acids and bases both react with water and a lot of acids and bases are soluble in nature.
Both acids and bases are electrolytes which means that they're good conductors of electricity.
Acids and bases both produce ions in water solution. Acids release hydrogen ions (H+) whereas Bases release hydroxide ions (OH–).
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COMPARISON BETWEEN ACIDS AND BASES
Acids
Base
SIMILARITIES BETWEEN ACIDS AND BASES