Complete the reaction.

Zinc + Hydrochloric acid

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Zinc chloride + Hydrogen

Zinc + chlorine + Hydrogen

Zinc + Hydrogen

Zinc

answer is A.

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Detailed Solution

Concept- Hydrogen gas and zinc chloride are produced quickly by the reaction of zinc with hydrochloric acid. In a single displacement reaction, zinc metal displaces hydrogen to produce zinc chloride and hydrogen gas.
Reaction of metal with

gives respective chlorides and hydrogen gas
Zinc is an active metal, according to the activity series, and when it reacts with hydrochloric acid, it produces metal chloride and hydrogen gas.
Here is the chemical reaction:

Hence, the correct answer is option (1).

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