Q.

Zn + 2 HCl = H2 + ZnCl, is an example of which type of reaction?

A. Double displacement reaction
B. Combination reaction
C. Single displacement reaction
D. Decomposition reaction
Answer» C. Single displacement reaction
Explanation: This reaction is an example of single displacement reaction. In Substitution or Single Replacement Reactions, a single free element replaces or is substituted for one of the elements in a compound.
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