Redox Reactions And Electrochemistry Ques 41
Question: A depolarizer used in dry cell batteries is [NCERT 1981]
Options:
A) Ammonium chloride
B) Manganese dioxide
C) Potassium hydroxide
D) Sodium phosphate
Show Answer
Answer:
Correct Answer: B
Solution:
$ MnO_2 $ is used in dry batteries cell.