A) Kelp
B) Varee
C) Caliche
D) Bittern
Correct Answer: D
Solution :
[d] (1) and (2) Kelp or varee: Ashes obtained by burning sea weeds contain \[0.5%\] of L in the form of iodates' and are known as kelp or varee (3) Caliche or crude chile saltpetre \[(NaN{{O}_{3}})\] which contains about \[0.2%\] of \[NaI{{O}_{3}}\] (4) Camallite \[(KCl.MgC{{l}_{2}}.6{{H}_{2}}O),\] source of \[C{{l}_{2}}\] and contains \[0.25%\] of bromine as \[MgB{{r}_{2}}\] (called Bittern) and\[KBr\]. From bittern, \[B{{r}_{2}}\] is obtained
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