Dilute hydrochloric acid reacts with zinc to evolve _____ gas along with the formation of zinc chloride salt.
A
oxygen
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B
hydrogen
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C
nitrogen
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D
chlorine
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Solution
The correct option is B hydrogen Acids react with metals to produce the respective metal salt along with hydrogen gas. When hydrochloric acid reacts with zinc, it produces zinc chloride salt along with the evolution of hydrogen gas. This can be represented as: