Chemistry Fsc Part 1 Online Test With Answers

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Chemistry Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 The over all positive value for the reaction potential predicts that process is energetically. Not feasible Feasible Impossible No indication
2 Cell potential depends upon Temperature Concentration of ions Nature of electrolyte All of above
3 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
4 Standard hydrogen electrode has an arbitrarily fixed potential 0.00 volts 1.00 volt 0.10 volt None of these
5 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
6 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
7 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
8 In electrolysis of aqueous NaCl, Cl-ions are. Oxidized at anode Oxidized at cathode Reduced at cathode Neither oxidized nor reduced
9 Electrolysis is used for Electroplating Refining of copper Manufacture of caustic soda All of the above
10 In a electrolytic cell the electrons flow from Cathode to anode Anode to cathode From cathode to anode or opposite, depending upon the nature of electrolyte All of the above
11 When aqueous NaCl is electrolyzed, which of the following ions gas discharged at anode. Cl- OH- Na+ H+
12 The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as. Voltaic cell Denial cell dry Cell Electrolytic cell
13 The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as. Voltaic cell Denial cell dry Cell Electrolytic cell
14 In which of the following changes, nitrogen in reduced. NH3 to NO NH3 to NO3 N2 to NH3 N-3 to N2
15 What is oxidation state of chlorine in Ca(ClO3)2 +1 +3 +5 +7
16 In which compound oxidation state of chlorine is +5 NaCl HOCl NaClO3 NaClO2
17 In which compound the oxidation number of Mw is +6 KMnO4 K2MnO4 MnO2 MnO
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