Describe the type of change underdone by hydrochloric acid and magnesium.Explain your answer?



Answer:
When magnesium is subjected to reaction with hydrochloric acid it forms MgCl2 and hydrogen gas is generated as shown below :


Mg + 2HCl -------> MgCl2 +H2 ;
Here, chemical reaction is taking place ,hemce it is a chemical change.
Single displacement via oxidation-reduction.

Mg + 2 HCl ---> MgCl2 + H2

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