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Acid Alkali Reaction

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An acid-alkali neutralization reaction is a chemical reaction that occurs when an acid and a base (alkali) are mixed together. The reaction produces a salt and water. The pH of the resulting solution will be neutral (pH 7). An acid is a substance that donates hydrogen...

Acid mantle

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The acid mantle is a thin, slightly acidic film that coats the surface of the skin. It is made up of a mixture of lipids (oils) and secretions from the sebaceous glands and sweat glands. The acid mantle helps to protect the skin from bacteria, viruses, and other...

Acids

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Acids are substances that have a pH below 7.0. They taste sour and turn litmus paper from blue to red. Acids are found in many different places in nature, including fruits, vegetables, and even our own bodies. In the skin, acids play an important role in maintaining...