Question

explain please???......​

Answer 1

Explanation:

1. Mg+ 2HCL-----> MgCl2+ H2 Hydrogen gas is produced.
2. HCl + NaOH→ NaCl + H2O Neutralisation reaction
3. 2HCl(aq) + CaCO3(s)→CaCl2 (aq)+ H2O + CO2 Calcium chloride is formed.
4. Zn+ 2HCl----->ZnCl2+ H2

Hydrogen gas is liberated

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