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| a mixture is a material system made up by two or more different substances which are (mixed) together but are not combined chemically |
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| a solution is a homogeneous mixture composed of two or more substances. In such a mixture, a solute is dissolved in another substance called a solvent |
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| A substance that is uniform in composition |
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| Visibly consisting of different components and each retain their own identity |
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| the measure of hydrogen ions |
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| substances that has greater concentrationof H+ (hydronium ions) in solution.ions;acids can be identified as tasting sour, reacting with metals;acids can be solutions, liquids, or solids |
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| a substance where the concentration of OH- is greater than H+ ions;an aqueous substance that can accept hydronium ions; |
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| a halochromic ( chnages color)chemical compound that is added in small amounts to a solution so that the pH (acidity or basicity) of the solution can be determined visually |
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| a chemical reaction whereby an acid and a base react to form a salt and in some cases water |
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| a substance microscopically dispersed evenly throughout another substanc |
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| mixture of two substances, one of which is finely divided and dispersed in the other |
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| are ionic compounds which result from the neutralization reaction of an acid and a base;are composed of cations (positively charged ions) and anions (negative ions) so the product is electrically neutral |
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| A water-soluble substance obtinedfrom lichens (fungi-plant organism) that changes to red with increasing acidity and to blue with increasing basicity |
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| an indicator,it turns colorless in acidic solutions and pink in basic solutions. |
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