a) Oxidation corrosion
b) Liquid metal corrosion
c) Wet corrosion
d) Corrosion by other gases
- Children are usually egocentric during __________ and __________ stages?
- PSU stands for __________?
- CPI stands for __________?
- According to John Dewey, school is a __________ institution, and education is a __________ process.
- Iron undergoes corrosion to produce __________ coloured hydrated ferric oxide
- Antonym of “banal” is __________.
- The more often a particular ability is used the __________ it becomes?
- According to the __________, the more you do something, the better you are at it.
- The amount of iron wasted by corrosion each year is estimated about _________ of its annual production
- Galvanised Iron sheets have a coating of____________?
- Kalabagh iron deposits are largest in Pakistan with an estimated reserve of?
- Athens is the new name of __________.