Laws of Chemical Combination NDA Questions

NDA Chemistry

Laws of Chemical Combination MCQ Questions


1.
_______________ may be called the reduction half cell.
A.
Electrolytic Cell
B.
Copper Electrode
C.
Zinc Electrode
D.
Chemical Energy
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ANSWER :
B. Copper Electrode
2.
Which device is called a galvanic or a voltaic cell ?
A.
Electrical Energy
B.
Electron
C.
Protocol
D.
Chlorine
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ANSWER :
A. Electrical Energy
3.
___________ a device for using electrical energy to carry non-spontaneous chemical reactions.
A.
Galvanic cell
B.
Voltaic Cell
C.
Electrolytic Cell
D.
Energy Cell
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ANSWER :
C. Electrolytic Cell
4.
________ flow from Cu to Zn and current flows from Zn to Cu.
A.
Protons
B.
Electrons
C.
Neuron
D.
Hydrogen
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ANSWER :
B. Electrons
5.
Whose reaction of the spontaneous redox is converted into electrical work which is running a motor or other electrical gadgets like heater, fan, geyser, etc?
A.
Gibbs Energy
B.
Electrical Energy
C.
Chemical Energy
D.
Electrolytic Cell
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ANSWER :
A. Gibbs Energy
6.
The cell potential is the difference between the electrode potentials (reduction potentials) of the
A.
Cathode
B.
Carbon
C.
Cathode and Anode
D.
Anode
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ANSWER :
C. Cathode and Anode