NICKEL PLATING - Quiz

1) Which is the name of process that cleaning the metal in acid to remove corrosion products from the surface?

Pickling De-scaling Drying Deburring

2) Which is the equivalent weight of oxalic acid crystals?

53 58 61 63

3) Which acid is used for pickling and etching of metal?

Sulphuric acid Boric acid Phosphoric acid Phosphorus acid

4) Which chemical is used for vapour degreasing?

Trichloroethylene Sodium carbonate Trisodium phosphate Sodium hydroxide

5) Which solution is used for alkaline cleaning?

Sodium carbonate Trichloroethylene Ammonium citrate Sodium chloride