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Electrochemistry

Chemistry
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In a galvanic cell electron flow will be from:

A
negative electrode to positive electrode
B
positive electrode to negative electrode
C
there will be no flow of electrons
D
cathode to anode in the extenal circuit
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In a galvanic cell, the reactions taking place in the anodic half cell and the cathodic half cell will be:

A
reduction
B
oxidation
C
oxidation and reduction respectively
D
reduction and oxidation respectively
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In the given reaction, the reduction half cell reaction is:

A
B
C
  e
D
   
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The electric charge for electrode deposition of 1gm. Equivalent of a substance is: 

A
96,500 coulombs
B
one ampere per sec
C
one ampere for one hour
D
charge in faradays
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The EMF of a galvanic cell is determined by using a:

A
voltmeter
B
potentiometer
C
coulometer
D
ammeter
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For the cell reaction to be spontaneous the EMF of the cell should be:

A
negative
B
positive
C
zero
D
some times positive and some times negative
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Zinc corrodes in ____________________.

A
alkaline solution
B
acid solution
C
neutral salt solution
D
all of the above
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In an electrolytic cell cathode acts as:

A
an oxidizing agent
B
reducing agent
C
either of the two
D
neither of the two
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