Question

Hello everyone
Can anybody please give the answers of my question
1. Is air a conductor or an insulator.
2.Electrolysis and Electroplating.
3. Positive electrode and Negative electrode

Answer 1

An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air). The word was coined by William Whewell at the request of the scientist Michael Faraday from two Greek words: elektron, meaning amber (from which the word electricity is derived), and hodos, a way