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Chemistry Voc Quiz

for use at BYOD training

QuestionAnswer
A liquid that resists change in pH when an acid or base is added. buffer
A substance that lowers the activation energy of a reaction or speeds it up without being consumed by the reaction. catalyst
The minimum quantity of radioactive material needed to cause a nuclear chain reaction. critical mass
When a solvent is added to a solution making it less concentrated. dilution
Using electricity to break the bonds in a compound to break it apart. electrolysis
A process that absorbs heat. endothermic
A protein that acts as a catalyst in a biochemical reaction. enzyme
A process that gives off heat. exothermic
Occurs when the atomic nucleus is unstable and breaks apart releasing energy or radiation. radioactivity
Making a larger molecule from two or more atoms or smaller molecules. synthesis
Created by: alenikp