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potential of hydrogen
is a scale used to specify the acidity or basicity of an aqueous solution |
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| An acid is any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance |
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| indicates the presence of an acid in food, such as citric or lactic acid |
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| a substance having the tendency to cause corrosion (such a strong acids or alkali) |
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| substances that change colour when they are added to acidic or alkaline solutions |
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| A base is a molecule or ion able to accept a hydrogen ion from an acid |
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| having a slightly stinging, strong taste, not salty or sweet |
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| a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products |
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| a chemical compound consisting of an ionic assembly of positively charged cations and negatively charged anions |
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| difficult to hold firmly or stand on because it is smooth, wet, or slimy |
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| processes in which chemical species break up into simpler parts |
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RCH(NH2)COOH
a molecule that has a carboxylic acid group and an amine group that are each attached to a carbon atom called the α carbon |
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| naturally occurring chemical compounds that serve as the primary information-carrying molecules in cells |
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C3H6O3
milk acid
a colorless syrupy organic acid formed in sour milk and produced in the muscle tissues during strenuous exercise |
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