Hydrochloric acid is added to a beaker containing a piece of zinc. Zin – McqOptions

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1.	Hydrochloric acid is added to a beaker containing a piece of zinc. Zinc chloride is formed and hydrogen gas is released. This is an example of:
A.	a chemical reaction
B.	a physical change
C.	Crystallization
D.	None of these
Answer» B. a physical change

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