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When a strip of zinc metal is added to a test tube of hydrochloric acid, the liquid forms bubbles, and the test tube feels hot. The bubbles are a result of the formation of hydrogen gas. What does the hot test tube indicate?

Respuesta :

Answer:

Exothermic Reaction

Explanation:

The test tube feels hot as a result of an increase in temperature of the surroundings. This means that due to the reaction between zinc metal and hydrochloric acid, heat was released. The hot test tube indicates that this is an exothermic reaction.

stephenscheyenne3

Answer:

the reaction releases heat

Explanation:

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