Chemistry – Electrochemistry – TEST (MCQ Maharashtra HSC Board)
Chemistry – Electrochemistry – TEST (MCQ Maharashtra 12th Board)
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#1 In a dry cell hydrogen gas liberated in oxidized by:
#2 In Cu-Zn cell:
#3 The device used for conversion of chemical energy to electrical energy is called a/an:
#4 Oxidation is:
#5 The amount of an ion discharge during electrolysis is not directly proportional to:
#6 The calomel electrode is:
#7 Galvinisation of iron is its coating with:
#8 The charge needed to liberate 0.5g atomic mass of a divalent element is:
#9 If salt bridge is removed from between the two half cells, the EMF :
#10 The number of coulomb equal to one faraday is:
#11 The Faradays law of electricity is related to the:
#12 In hydrogen – oxygen fuel cell electrode is made up of:
#13 The molten electrolyte conducts electricity due to the presence of :
#14 During working, the consistency of EMF is observed in:
#15 The current liberates 112ml of hydrogen gas at STP in 965 seconds. The current passed in ampere is: