# Carnalite is an example of

$\begin{array}{1 1}(a)\;\text{Mixed salt}\\(b)\;\text{Complex salt}\\(c)\;\text{Basic salt}\\(d)\;\text{Double salt}\end{array}$

Carnalite is an example of double salt.carnalite is a hydrated potassium magnesium chloride with formula $KMgCl_3·6(H_2O)$.
Hence (d) is the correct answer.
edited Mar 26