Suggest at least two ways to get calcium chloride. Make the reaction equations in molecular and ionic form, indicate the types of reactions.

Substitution 2HCl₂ + Ca = CaCl₂ + H₂; 2H ++ 2Cl- + Ca0 = Ca2 ++ 2Cl- + H₂0;
Substitution 2NaCl + Ca = CaCl₂ + 2Na; 2Na ++ 2Cl- + Ca0 = Ca2 ++ 2Cl- + 2Na0

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