physical Science
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12 terms
Terms | Definitions |
|---|---|
 acid | any compound that increases the number of hydronium ions when dissolved in water. |
| indicator | a compound that can reversibly change color depending on the ph of the solution or other chemical change |
| electrolyte | a substance that dissolves in water to give a solution that conducts an electric current |
| base | any compound that increases the number of hydroxide ions when dissolved in water |
| ph | a value used to express the acidity or alkalinity of a solution |
| neutralization reaction | the reaction of the ions that characterize acids (hydronium ions) and the ions that characterize bases (hydroxide ions) to form water molecules and a salt |
| salt | an ionic compound that forms when a metal atom or a positive radical replaces the hydrogen of an acid |
| soap | a substance that is used as a cleaner and that dissolves in water |
| detergent | a water-soluble cleaner that can emulsify dirt and oil |
| disinfectant | a chemical substance that kills harmful bacteria or virsuses |
| bleach | a chemical compound used to whiten or make lighter, such as hydrogen perozide or sodium hypochlorite |
| antacid | a weak base that neutralizes stomach acid |
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