Corrosion can be prevented by
A. Alloying
B. Tinning
C. Galvanizing
D. all of above
Related Questions on Chapter 2: Electrochemistry Chemistry Mcqs for High School - Grade 9
The process in which substance gains electrons is called
A. oxidation
B. hydrogenation
C. sublimation
D. reduction
On an industrial scale, sodium metal is prepared by electrolysis of fused
A. NaOH
B. NaCl
C. NaO
D. NH3
The electrolyte used for tin plating is
A. sulphide ore
B. stannous sulphate
C. hydrogen sulphate
D. sodium chloride
An electrolytic cell uses electrical energy to drive
A. chemical reaction
B. physical reaction
C. no reaction
D. biochemical reaction
Loss of hydrogen atoms by an element is called
A. hydrogenation
B. oxidation
C. reduction
D. sublimation