Question

Metal which can be extracted from all the three dolomite, magnesite and carnallite is .

• A. $Na$
• B. $K$
• C. $Mg$
• D. $Ca$

Answer 1

Answer: (C)

$Mg$

Answer 2

Dolamite		$MgCO_{3}.CaCO_{3}$
Magnesite		$MgCO_{3}$
Carnallite		KCl.$MgCl_{2}.6H_{2}O$