Question

give an example of precipitation reaction and also write down balanced chemical equation ​

Answer 1

Answer:

Some examples are reaction between calcium chloride (CaCl2) and potassium hydroxide(KOH), resulting in the formation of calcium hydroxide that is an insoluble salt. The reaction between silver nitrate (AgNO3) and sodium chloride (NaCl), results in the formation of silver chloride (AgCl) that is an insoluble salt.

Explanation:

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Answer 2

• A precipitation reaction is a chemical reaction that occurs in aqueous solution and form precipitates. Further, chemical reactions consist of chemical changes that take place within the substances. Thus, it gives rise to a new element under some particular conditions.

• Example are :

AgNO3(aqueous) + KCl(aqueous) —–AgCl(precipitate) + KNO3(aqueous)

2KOH(aqueous) + CaCl2(aqueous)—-Ca(OH)2(aqueous) + 2KCl(aqueous)

AgNO3(aqueous) + NaCl(aqueous) —- AgCl↓ + NaNO3 (aqueous)

Mg(OH)2(s) + 2HCl (aqueous) ——— MgCl2(aqueous) + 2H2O(l)

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