A. ions
B. holes
C. electrons
D. none of the above
Related Mcqs:
- In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following__________?
A. one part H2O, three parts H2SO4
B. two parts H2O, two parts H2SO4
C. three parts H2O, one part H2SO4
D. all H2S04 - When the lead-acid cell is fully charged, the electrolyte assumes _______ appearance
A. dull
B. reddish
C. bright
D. milky - Electrolyte used in an Edison cell is___________?
A. NaOH
B. KOH
C. HC1
D. HN03 - When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in___________?
A. charged state
B. discharged state
C. both (A) and (B)
D. active state - Electrolyte used in a lead-acid cell is__________?
A. NaOH
B. onlyH2S04
C. only water
D. dilute H2SO4 - Following will happen if the specific gravity of electrolyte becomes more than 1.23
A. Loss of capacity
B. Loss of life
C. Corrosion of the grids of the plate
D. All above - Level of electrolyte in a cell should be ________ the level of plates
A. below
B. equal to
C. above
D. none of the above - In order that a hydrometer may float vertically in electrolyte its C.G. should be___________?
A. lowered
B. raised
C. undisturbed
D. displaced sideways - During the idle period of the battery, strong electrolyte tends to change the active material of the cell into____________?
A. Pb02
B. PbSC-4
C. PbO
D. Pb - While preparing electrolyte for a lead-acid battery___________?
A. water is poured into acid
B. acid is poured into water
C. anyone of the two can be added to other chemical
