In the electroplating of gold, the electrolyte used is
A). Gold chloride
B). Gold nitrate
C). Gold sulphate
D). Potassium aurocyanide
Gold sulphate
Gold plating is a method of depositing a thin layer of gold onto the surface of another metal, most often copper or silver (to make silver-gilt), by chemical or electrochemical plating. Electroplating of gold is done using a sulphate/sulphite based electrolyte. This product is environment- and user friendly and moreover the electroplating rate is good.
2. 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by
4. Rusting of iron takes place due to
5. The rusting of iron is a/an
6. The main source of carbon monoxide is
7. The common name of sodium tetraborate decahydrate is _____.
8. Greenhouse effect is caused by
9. In ice, the number of hydrogen bonds per water molecule is