Chemistry Fsc Part 1 Chapter 10 Online Test With Answers

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Chemistry Fsc Part 1 Chapter 10 Online Test

Sr. # Questions Answers Choice
1 In silver oxide battery, anode is made of. Zinc Copper Lead Graphite
2 Which is not chargeable cell Lead accumulator NiCAD cell Fuel cell Alkaline battery
3 In NICAD dry cell, the cathode and anode is made up of. Ca and Ag Ni and CdO2 NiO2 and Cd Ag and Ag2O
4 Fuel cells are mostly used in space air crafts as the source of. Power only Drinking water Drinking water and power Fuel and drinking water
5 Electrode of the lead storage battery are immersed in dilute H2SO4 which has strength by mass 100% 98% 30% 10%
6 In lead accumulator cathode is made up of. Pb Pb coated with PbO2 PbSO4 Mixture of Pb and PbO2
7 Which is not use of electrochemical series. Feasibility of reaction Measurement of EMF of cell Comparison of reactivity with water or acids Determination of atomic and ionic radii
8 Which has greater reduction potential Na H2 Zn F2
9 The over all positive value for the reaction potential predicts that process is energetically. Not feasible Feasible Impossible No indication
10 Cell potential depends upon Temperature Concentration of ions Nature of electrolyte All of above
11 The difference of potential of two electrodes when concentration of solution is 1 M each at 25 oC and 1 atmosphere is called. Electrode potential Standard cell potential Cell reaction Cell voltage
12 Standard hydrogen electrode has an arbitrarily fixed potential 0.00 volts 1.00 volt 0.10 volt None of these
13 In Daniel cell, if salt bridge is removed between the two half cells, the voltage. Drops to zero Does not changes Increases gradually Increases rapidly
14 A cell in which electric current is produced as a result of spontaneous redox reaction is called. Electrolytic cell Galvanic cell Half cell reaction Down's cell
15 Alkali and alkaline earth metal are usually obtained by Decomposition of their carbonates By heating their hydroxide electrolysis of molten metal oxides Electrolysis of molten metal halides
16 In electrolysis of aqueous NaCl, Cl-ions are. Oxidized at anode Oxidized at cathode Reduced at cathode Neither oxidized nor reduced
17 Electrolysis is used for Electroplating Refining of copper Manufacture of caustic soda All of the above
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