question_answer

Which one of the following chemical reactions is correct?

A) \[Mg+{{H}_{2}}O\to Mg{{(OH)}_{2}}+{{H}_{2}}\]

B) \[AlC{{l}_{3}}+Ca{{(OH)}_{2}}\to Al{{(OH)}_{3}}+CaC{{l}_{2}}\]

C) \[Al+{{H}_{2}}S{{O}_{4}}\to A{{l}_{2}}{{(S{{O}_{4}})}_{3}}+{{H}_{2}}\]

D) \[CaC{{O}_{3}}+2HCl\to CaC{{l}_{2}}+{{H}_{2}}O+C{{O}_{2}}\]

E) None of these