Q. The chief source of iodine in which it is present as sodium iodate is
A) Carnallite
B) Sea weeds
C) Caliche
D) Iodine never exists as sodium iodate
Explanation
(c)
Caliche is crude chile salt petre $(NaNO_{3})$ which contains about 0.02% iodine as sodium iodate $(NaIO_{3})$, from which iodine is extracted
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.