Chemistry, 14.01.2020 11:31 emobaby335
Hen an electric current passes through liquid water, hydrogen gas passes accumulates at one electrode and oxygen accumulates at the other. which of the following is true?
a) a physical change has occurred, with energy is being absorbed.
b) a chemical change has occurred, with energy being given off.
c) a physical change has occurred, with energy being given off.
d) a chemical change has occurred, with energy being absorbed.
Answers: 2
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Hen an electric current passes through liquid water, hydrogen gas passes accumulates at one electrod...
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