Action of hydrochloric acid on zinc is a chemical change
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Yes, as a new substance is formed and it is an irreversible change
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When zinc reacts with hydrochloric acid, the reaction bubbles vigorously as hydrogen gas is produced. The production of a gas is also an indication that a chemical reaction is occurring. Zinc reacting with hydrochloric acid produces bubbles of hydrogen gas. ... All chemical changes involve a transfer of energy.
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