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MIDDLE SCHOOL

Physical Science

Chemical Reactions

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Chemical Reactions: Chemical Interactions

Replacement Reaction

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Replacement Reaction

A replacement reaction is a type of chemical reaction in which one element replaces another in a compound or two elements in different compounds exchange places. These reactions occur because of differences in reactivity, meaning a more reactive element displaces a less reactive one.

Transcript

A replacement reaction is a chemical process where a more reactive element displaces a less reactive one within a compound.

For example, when potassium reacts with water, it replaces hydrogen in water to form potassium hydroxide and releases hydrogen gas. Since potassium is more reactive than hydrogen, it readily reacts with water and form...

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