tell any example of reverseble chemical change
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Examples of reversible reactions
1-Ammonium chloride is a white solid. It breaks down when heated, forming ammonia and hydrogen chloride. ...
2-Ammonium chloride ⇌ ammonia + hydrogen chloride.
3-The symbol ⇌ has two half arrowheads, one pointing in each direction. It is used in equations that model reversible reactions
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Answer:
-undoing wear on pennies by placing them in vinegar
-ammonium chloride and ammonia + hydrogen chloride
-melting of wax
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