Answers

2014-07-30T23:16:31+05:30
(1)This is a reaction in which the positive and negative ions of two substances in a solution are mutually interchanged
(2)The chemical reactions in which one component each of both the reacting molecules is exchanged to form the products. During this reaction, the cations and anions of two different compounds switch places, forming two entirely different compounds.
(3) Double displacement reactions generally take place in aqueous solutions in which the ions precipitate and there is an exchange of ions.
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the reaction which two or more ions change their position
2014-07-30T23:18:21+05:30
A double displacement reaction is a type of reaction where part of one reactant is the replaced by another reactant.
Example:
AgNO3 + NaCl  ------------------------>  AgCl + NaNO3
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It is a reaction in which in which exchange of ions/radicals takes place b/w two compunds or reactant.