Problem: During the process for electrolysis of water, a current is passed through water and produces hydrogen gas and oxygen gas. Which of the following statements is true?a. O2 gas is produced at the anode.b. H2 gas is produced at the cathode.c. In the reaction, H2 moles are twice the O2 moles.d. All of the following are correct. 

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During the process for electrolysis of water, a current is passed through water and produces hydrogen gas and oxygen gas. Which of the following statements is true?

a. O2 gas is produced at the anode.

b. H2 gas is produced at the cathode.

c. In the reaction, H2 moles are twice the O2 moles.

d. All of the following are correct. 

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