Related Questions

Electrochemical corrosion can occur, only if __________ is present in contact with metal.
A Air
B Oxygen
C Liquid medium
D Gaseous medium
The damage/deterioration of metals by the __________ action of fluids is called 'erosion'.
A Abrasive
B Corrosive
C Both A & B
D Neither A nor B
Which one is the correct verb form of 'deterioration"?
A Determine
B Degeneration
C Deteriorate
D Territory
The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as
A Rigid
B Tough
C Ductile
D Plastic
Fe(s) |Fe2+ (aq) || Br2 (l) ; Br- (aq)| Pt(s) তড়িৎ রাসায়নিক কোষের সঠিক কোষ-বিক্রিয়া কোনটি? (Which one is the correct cell reaction of the given electrochemical cell?)
A Fe+Br2→Fe2++2Br-
B Fe+2Br-→Fe2++2Br2
C Fe2++Br2→Fe+2Br-
D Fe+Br2→Fe3++2Br-
Fes|Fe2+aq∥Br2I; Br-aq| pts তড়িৎ রাসায়নিক কোষের সঠিক কোষ-বিক্রিয়া কোনটি? (Which one is the correct cell reaction of the given electrochemical cell?)
A Fe+Br2→Fe2++2Br
B Fe+2Br-→Fe2++Br2
C Fe2++Br2→Fe+2Br
D Fe+Br2→Fe3++2Br
The cathode in an electrochemical cell always carries
A negative charge
B positive charge
C zero charge
D positive or negative charge depending upon the nature of the cell
An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a :
A Power transmittor
B Battery
C Uninterrupted power supply (UPS)
D Generator
The battery is an electrochemical device, which means battery
A Makes chemicals by mechanical means
B Uses chemical action to provide electricity
C Has curved plates instead of flat plates
D Does not use an electrolyte
In electrochemical machining, the gap between the tool and work is kept as
A 0.1 mm
B 0.4 mm
C 0.35 mm
D 0.75 mm

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