The old paint coating cannot be removed by __________
a) Soaps b) Caustic soda c) Trisodium phosphate d) Sulphuric acid
a) Soaps b) Caustic soda c) Trisodium phosphate d) Sulphuric acid
a) Sulphuric acid b) Hypo chlorous acid c) Phosphoric acid d) Phosphorous acid
a) Silicosis b) Chicken guinea c) Blue baby syndrome d) Flourosis
a) Anodic coatings b) Cathodic coatings c) Neither anode nor cathode d) Both anode and cathode
a) Higher b) Lower c) 0 d) Cannot be said