What is the role of manganese dioxide in a dry cell?

Which of the following is the overall reaction of rusting?

The limiting equivalent conductance for weak electrolytes can be calculated using Kohlrausch’s law.

Which of the following does not cause rusting of iron?

Which of the following electrolytes is not preferred in a salt bridge?

What is the electrolyte used in the electroplating of gold?

Which of the following solutions cannot conduct electricity?

Which of the following is used as an electrolyte in an H2-O2 fuel cell?