Chemistry, 30.09.2021 23:40, logan541972

You drip a liquid substance onto a metal plate. You hear a hiss, and see a gas rising from the spot where the liquid touches the metal plate. What indicates a chemical reaction in this scenario?

the formation of a new gas

the hissing sound as the liquid touches the metal

the decrease in temperature as the liquid touches the metal

the liquid being in contact with a metal

Answers: 2

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You drip a liquid substance onto a metal plate. You hear a hiss, and see a gas rising from the spot...