What is the process called in which a layer of superior metal is covered on an inferior metal ?
None of these
The general process of coating a superior metal over an inferior one is called Electroplating; Galvanization is a specific case (zinc coating on iron/steel) and Electrolysis/Electrification are different concepts, so since 'Electroplating' is not listed, 'None of these' is the accurate choice.
Browning of the chopped apple can be minimized by :
Among the following, which is not the correct method for keeping the curd?
Toothpaste prevents tooth decay by:
What is the specific purpose of using potassium hydroxide during the saponification process?
For manufacturing of glass, which among the following is used as a source of silica?