Hydrated magnesium chloride cannot be dehydrated by heating .Why ?

Anhydrous aluminium chloride cannot be prepared by heating hydrated aluminium chloride. Why?

Explain why anhydrous aluminium chloride cannot be prepared by heating hydrated aluminium chloride?

Anhydrous calcium chloride cannot be used for drying ethanol. Why?

Explain : Anhydrous magnesium chloride is prepared by heating MgCl_2 . 6H_2O in a current of dry HCl gas.

Explain why neopentyl chloride cannot be prepared by reacting neopentyl alcohol with HCl.

What happens when- hydrated magnesium chloride is heated in presence of ammonium chloride (NH_4Cl) .

Preence of N is hydroxylamine hydrochloride cannot be detected by Lassaigne's test - why?

Between sodium hydrogencarbonate and magnesium hydroxide which is a better antacid and why?

Potassium carbonate cannot be prepared by Solvay process. Why?