National League for Nursing (NLN PAX) Practice Exam

Image Description

Question: 1 / 495

Which of the following is an example of a catalyst?

Enzyme

A catalyst is a substance that increases the rate of a chemical reaction without being consumed or permanently altered in the process. Enzymes are biological catalysts that facilitate biochemical reactions in living organisms. They work by lowering the activation energy required for a reaction to proceed, thereby speeding up the reaction rate.

In contrast, acids, bases, and solvents do not function as catalysts. Acids and bases typically participate in chemical reactions by donating or accepting protons, affecting the overall outcome of the reaction rather than merely accelerating it. Solvents, on the other hand, are substances that dissolve solutes to form a solution and can influence reaction rates, but they do not act as catalysts in the traditional sense. Thus, the best example of a catalyst among the given options is the enzyme.

Get further explanation with Examzify DeepDiveBeta

Acid

Base

Solvent

Next Question

Report this question

Download National League for Nursing (NLN PAX) Practice Exam PDF Study Guide
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy