60th to 62nd B.P.S.C. (Pre) 2016
Iodised salt contains :
aFree iodine
bCalcium iodide
cMagnesium iodide
dPotassium iodide✓ Correct
eNone of the above/More than one of the above
Explanation
The composition and physical properties of potassium iodide (KI) are similar to those of table salt. At the commercial level, it is generally used for making iodized salt. In addition, potassium iodate, sodium iodate, and sodium iodide are also used for making iodised salt.
general-science