Biology, 12.04.2021 17:50, jsmn9083

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? A.
Hydrogen gas absorbs heat.
B.
The reaction releases heat.
C.
A chemical change has been reversed.
D.
The reaction absorbs heat.

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When a strip of zinc metal is added to a test tube of hydrochloric acid, the liquid forms bubbles, a...