Answer :
Answer:
Cu ---> Oxidized, HNO3 ---> Reduced.
Explanation:
Refer to attachment.
Copper (Cu) is gaining oxygen, hence, it's oxidized. On the other hand, HNO3 is losing hydrogen, hence, it's reduced.
Hope it helps :)

Answer:
Cu ---> Oxidized, HNO3 ---> Reduced.
Explanation:
Refer to attachment.
Copper (Cu) is gaining oxygen, hence, it's oxidized. On the other hand, HNO3 is losing hydrogen, hence, it's reduced.
Hope it helps :)