Question

when zinc strip is added to hydrochloric acid​

Answer 1

Answer:

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Explanation:

Acid metal reactions usually produce a salt, in this case, zinc chloride and hydrogen gas. After adding magnesium ribbon/strips to HCl, you will realise that the test tube is warm. That's due to heat energy which is being released from the reaction

Answer 2

Answer:

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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