Multiple Choice
Consider the reaction: Ca(s) + 2H2O(l) → Ca(OH) 2(aq) + H2(g) Which of the following statements is correct?
A) Calcium is reduced.
B) Hydrogen is oxidized.
C) Oxygen is oxidized.
D) Oxygen is the reducing agent.
E) Calcium is oxidized.
Correct Answer:

Verified
Correct Answer:
Verified
Q10: In which compound does phosphorus have an
Q11: An electrolytic cell is an electrochemical cell
Q12: A mercury button battery that is used
Q13: Given the following information about the activity
Q14: The following reaction occurs in a lead
Q16: The change, Br<sub>2</sub> + H<sub>2</sub>O → HOBr
Q17: Consider the reaction: Zn(s)+ H<sub>2</sub>SO<sub>4</sub>(aq)→ ZnSO<sub>4</sub>(aq)+ H<sub>2</sub>(g)Which
Q18: The figure shows the electrolysis of molten
Q19: In a fuel cell that uses gaseous
Q20: In any electrolytic cell, the cathode is