Question

2. Name the detectors that can be used to detect weak electric currents.
3. Which two metals are used as superior metals in electroplating?​

Answer 1

Answer:

3:There are many metals used in electroplating. The most common is silver and gold used in jewellery. electroplating is done on less reactive metal by highly reactive metal to make less reactive metal look like it. some examples like it is done on cheap metals by copper, nickel, chromium, zinc and tin, gold, silver