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why is iodine added to salt why is iodine added to salt only why is iodide added to salt why iodine is added to common salt why is potassium iodide added to salt why is potassium iodine added to table salt is iodine added to salt in the uk why is potassium iodide added to table salt why did we add iodine to salt iodine is added to salt that we use for cooking
