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| The attraction between a hydrogen atom with a partial positive charge and another atom with a partial negative charge is known as a hydrogen bond. |
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| Cohesion is an attraction between molecules of the same substance. |
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| Adhesion is an attraction between molecules of different substances. |
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| A mixture is a material composed of two or more elements or compounds that are physically mixed together but not chemically combined. |
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| Type of mixture in which all the components are evenly distributed. |
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| A substance that is dissolved in a solution. |
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| dissolving a substance in a solution |
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| Chemists devised a measurement system called the pH scale. |
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| An acid is a any compound that forms H+ in solution |
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| A base is a compound that produces hydroxide ions in solution. |
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| Buffers are weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH. |
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