when electrochemical cell is operating
a)volume of zinc rod increases and the colour of CUSO4 solution becomes deep blue
b) Concentration of 71 increasce and that of Cu'decreases
c) Decrease in the weight of Znanode is equal to increase in the weight of Cn anode
d) The solution of NH.NO, is to be filled again in the salt bridge after a long time
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Answer:
bnNBsbbnbb
Explanation:
bbbbnfyxtzydzydzydzufxx rx
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