![]() ![]() Irreversible Change: An irreversible change is a permanent change in which the original substance cannot be obtained by reversing the reaction conditions. Almost all physical changes are reversible in nature. A common example involving the mixing of substances is neutralisation, where an acid is reacted with a base to form salt and water. Examples: Melting, Freezing, evaporation, condensation, etc., are all examples of reversible changes. ![]() Image Credits: - ameliaspinkĬhemical Change Involving The Mixing Of Two Or More SubstancesĬhemical changes can also involve the mixing of substances. It is often used in the making of coins, where a thin layer of metal is coated on the coins to make them more attractive. Examples of Physical Change Melting/Freezing of ice Boiling of water Wax Melting Condensation of steam Glowing of an electric bulb Iron Magnetisation. ![]() It can be used to break down water into hydrogen and oxygen.Įlectroplating is the process in which a substance is coated with a metal with a passage of an electric current. \(\small \)Įxamples of chemical changes involving electricity include electrolysis and electroplating.Įlectrolysis is the chemical decomposition of substances with the passage of an electric current.
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