A. chlorine
B. dust particles
C. lead crystals
D. iron
A. dull
B. reddish
C. bright
D. milky
A. it will bring about chemical change in active materials
B. it will increase the capacity of the battery
C. it will raise the specific gravity of the electrolyte
D. none of the above will occur
A. in well ventilated location
B. in clean and dry place
C. as near as practical to the battery being charged
D. in location having all above features
A. colour
B. mass
C. viscosity
D. specific gravity
A. Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other
B. Electrolyte must chemically react with one of the electrodes
C. Electrolyte liquid or paste should be conducting
D. All above three conditions are necessary
A. dark grey
B. brown
C. dark brown
D. none of above