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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.

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