Question

what is double displacement reaction ? give any two examples with chemical equations​

Answer 1

Answer:

The chemical change in which two compounds react together to form two new compounds by exchanging their radicals is called double decomposition.

Explanation:

Example:

HCl + NaOH ------> NaCl + H2I

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Answer 2

Answer:

Double displacement reaction is a type of chemical reaction in which the reactant ions exchange places to form new products. Usually, a double displacement reaction results in precipitate formation. The chemical bonds between the reactants may be either covalent or ionic.

Explanation:

2NaCl+CaSO4→Na2 SO4+CaCl2