The technique of extraction is used to separate an aqueous solution of copper (II) chloride and iodine. Organic solvents with densities greater than and less than that of the aqueous solution are used ...
The trials compared the use of common salt, made of about 100% sodium chloride, occasionally with added iodine, with using a ...
The halogens are the elements in group 7 of the Periodic Table, and include chlorine, bromine and iodine. Their ions are called halide ions e.g. chloride, Cl-. You can test for them using silver ...