Question

food double displacement reaction define double displacement reaction with suitable example​

Answer 1

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Answer 2

Double displacement reaction :- The reaction in which the two compounds exchange their ions and one of the product formed is insoluble in water is known as double - displacement reaction .

The insoluble substance formed as a result of precipitation reaction is known as precipitate.

It is denoted by downward arrow.↓

It's general formula is :-

AB + CD → AD + BC

The double displacement reaction some times called neutralization reaction in case of acid and bases.

The examples of double displacement reaction are :-

NaSO4 + BaCl2 → BaSO4 ↓ + NaCl

where BaSO4 is a white precipitate .

In short the precipitate is written as ppt.