Question

please tell me. .........​

Answer 1

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In chemistry, a reactivity series (or activity series) is an empirical, calculated, and structurally analytical progression[1] of a series of metals, arranged by their "reactivity" from highest to lowest.[2][3][4] It is used to summarize information about the reactions of metals with acids and water, double displacement reactionsand the extraction of metals from their ores.

Answer 2

potassium

sodium

calcium

magnesium

aluminium

zinc

iron

lead

hydrogen

copper

mercury

silver

gold

platinum

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