Define paint? Name the elements present in it and describe their functions with illustrations.
describe surface conversion processes? Describe any one process.
Illustrate out the meaning of Lead-Acid battery? Describe the reactions occurring during charging and discharging.
State the alkaline battery? prepare down its cell reactions.
In brief discuss the construction and working of the Hydrogen-Oxygen fuel cell.
Illustrate out the term nicad cell? Discuss its working with equations.