Meaning & use
double replacement
A chemical reaction in which two compounds exchange ions to form two entirely new compounds.
See it in a sentence
In the double replacement reaction, silver nitrate and sodium chloride formed a solid precipitate.
Students identified the double replacement by noticing that both products had swapped partners.
A note on using this word
Double replacement is sometimes called 'double displacement' in textbooks; both terms describe the same ion-exchange process.
Words with a similar meaning
double displacement
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