Iodized salt is a

Iodized salt is a mixture of common salt (sodium chloride) and a minute amount of iodine-containing salts, most commonly potassium iodide or potassium iodate. It is classified as a mixture rather than a compound because the components are physically blended together and do not chemically react to form a new substance with a fixed chemical formula. Common salt itself is a compound of sodium and chlorine [1], but the addition of iodine sources like potassium iodide (KI) or sodium iodide (NaI) creates a fortified mixture. Potassium iodide is frequently used as an additive, though potassium iodate is often preferred in humid climates due to its higher stability [2]. This fortification is a public health measure to prevent iodine deficiency disorders such as goiter.

Sources

1. [1] Science ,Class VIII . NCERT(Revised ed 2025) > Chapter 8: Nature of Matter: Elements, Compounds, and Mixtures > 8.3.2 Compounds > p. 124
2. [2] https://www.sciencedirect.com/topics/medicine-and-dentistry/potassium-iodate