Question 1
Which of these metals will be oxidized in hydrochloric acid under standard conditions at 25°C?
◦ Ag
◦ Au
◦ Hg
◦ Cu
◦ Zn
Question 2
Which of these metals will not be oxidized in hydrochloric acid under standard conditions at 25°C?
◦ Al
◦ Fe
◦ Ag
◦ Ni
◦ Mg