Question

what do you mean by a precipitation reaction ? explan by giving examples​

Answer 1

Answer:

The insoluble substance formed in a chemical reaction called precipitate.

Any reaction that produce insoluble substance as a product of chemical reaction or produces a precipitate is called precipitate reaction.

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Explanation:

Na2So4(aq)+BaCl2(aq)- BaSo4(s)+2NaCl(aq)

hero Na2So4,BaCl2 and NaCl all are in the aquous form so it is soluble in chemical reaction whereas BaSo4 is In solid form so it is insoluble so BaSo4 is precipitate

Answer 2

Answer:

When two reactants in solution react and one or more of the products insoluble or forms a precipitation, a reaction is called a precipitation reaction.

Example : when a solution of iron chloride and aluminium hydroxide are mixed, a brown precipitate of iron hydroxide is formed.

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