what is acid ?? explain
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An acid is a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts. Some acids burn or dissolve other substances that they come into contact with.
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An acid is any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance. Acidic substances are usually identified by their sour taste.
Examples of acids include the inorganic substances known as the mineral acids—sulfuric, nitric, hydrochloric, and phosphoric acids—and the organic compounds belonging to the carboxylic acid, sulfonic acid, and phenol groups.
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