Question

The composition of carnallite is

• A. $KCl \cdot MgCl _{2} \cdot 6 H _{2} O$
• B. $Na _{2} Al _{2} O _{3}$
• C. $Fe _{3} O _{4}$
• D. $Na _{3} AlF _{6}$

Answer 1

Answer: (A)

$KCl \cdot MgCl _{2} \cdot 6 H _{2} O$

Answer 2

Carnallite is ore of potassium and its formula is $KCl.MgCl_2.6H_2O$.