1) Acid: An acid is a substance
that releases hydrogen ions (H+) when dissolved in water.
2) Base: A base is a substance that releases hydroxide
ions (OH-) when dissolved in water.
3) pH Scale: The pH scale is a measure of the acidity or
alkalinity of a solution.
4) Indicator: An indicator is a substance that changes color in response to the acidity or alkalinity
of a solution.
5) Neutralization Reaction: Neutralization is a chemical reaction between
an acid and a base, resulting in the formation of salt and water.
6) Salt: Salt is a compound formed by the reaction
between an acid and a base.
7) Litmus Paper: A pH indicator paper that turns red in the
presence of acids and blue in the presence of bases.
8) Litmus solution: A natural indicator extracted from certain
lichens.
9) Amphiprotic Substance: A substance that can act as both an acid and
a base, depending on the conditions. Water is an example of an amphiprotic
substance.
10) Olfactory Indicator: Substances which change their smell when
mixed with acid or base are known as Olfactory Indicators.
11) Synthetic Indicator: Indicators that are synthesized in the
laboratory are known as Synthetic Indicators.
12) Natural Indicator: It is a type of indicator that can be found
naturally and can determine whether the substance is an acidic substance or a
basic substance.
13) Acid rain: When pH of rain water is less than 5.6, it
is called acid rain.
14) Antacid: A base used to get rid of pain and
irritation caused in stomach due to indigestion of food.
15) Aqueous Solution: The solution in which the solvent is water.
16) Brine solution: An aqueous solution of common salt.
17) Dilution: The process of mixing acid or base with
water, to decrease the concentration of ions per unit volume is called
dilution.
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