Reactant
This knowledge is used in careers such as:
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Example:
Imagine you’re preparing a meal and you start with a raw potato. Just like the potato changes when you cook it, turning from hard and starchy to soft and edible, a reactant in a chemical reaction is a substance that is transformed into a different substance. In this analogy, the potato is like the reactant because both undergo a change in their structure or composition to become something new and useful, whether it’s a cooked dish or a new chemical product.

Practice Version

Reactant: A substance that is changed in a chemical reaction. Reactant. In a chemical reaction, a reactant is a starting material that undergoes change to form products.