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Which one of the following types of medicines are used for treating indigestion?
(a) Antibiotic
(b) Analgesic
(c) Antacid
(d) Antiseptic
Correct Answer: (c) Antacid
Explanation: Antacids are a class of drugs used to treat conditions caused by the acid that is produced by the stomach. Antacids reduce acidity by neutralizing (counteracting) acid.
Acids react with Bases to give Salt and Water. The Word Reaction is given as Acid + Base --> Salt + Water.
An acid is a molecule or ion capable of donating a proton, or, alternatively, capable of forming a covalent bond with an electron pair. It turns blue litmus paper to red. Acid is a substance that contains hydrogen ions (H+). It do not give colour with phenolphthalein indicator and do not absorb carbon dioxide gas. Also, acids do not react with ammonium salt.
Natural Acids are the acids that occur in nature, such as acids present in fruits. Acids are generally found in Vinegar, Curd, Spinach, lemons, Citrus fruits, Amla, Tamarind, grapes, unripe mangoes, Citrus fruits such as oranges, etc.]
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