quietlake quietlake

27-10-2022
Chemistry

Answered

A solid was place in a beaker containing 40 ml of an unknown liquid at a temperature of 40oC. The liquid began to bubble, and the temperature changed to 15oC. When the liquid stopped bubbling, the solid was no longer visible. What evidence is there that this was a chemical reaction?

A. Gas formed and the temperature changed
B. The liquid got warmer, and it formed a precipitate
C. The solid dissolved and the temperature changed.
D. The solid dissolved

Answer :

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