Moderate
A material that speeds up a chemical reaction without chemically becoming involved is called_____________?
Correct answer: C. A catalyst
- A. A solvent
- B. A base
- C. A catalyst
- D. Thermoplastic
Explanation
A catalyst increases the rate of a chemical reaction without being consumed or permanently changed. Enzymes are biological catalysts, whereas a solvent or base may participate in a reaction but is not defined by this property.
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