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Biblioteka

Untitled Formative cloned 7/10/2021

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Posljednje ažuriranje almost 5 years ago
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Pitanje 1
1.

The electrical energy released from an electrochemical cell can do useful work.

Pitanje 2
2.

In an electrochemical cell, in the inner circuit current is carried by ions and in the external circuit, current of electrons flows through the metal conductors.

Pitanje 3
3.

In electrochemical cell Oxidation occurs at Cu electrode

Pitanje 4
4.

electrochemical Daniell cell Current flows from zinc electrode to copper electrode

Pitanje 5
5.

In electrochemical series metals below hydrogen are strong reducing agents

Pitanje 6
6.

A scalar quantity is the one that does not vary from one point to another in space

Pitanje 7
7.

in electrochemical cell Electrons flow from anode to cathode

Pitanje 8
8.

emf of cell = oxidation potential of anode + reduction potential of cathode

Pitanje 9
9.

If 96500 coulomb electricity is passed through CuSO4 solution, it will liberate 96500 gm of Cu

Pitanje 10
10.

Fused NaCl on electrolysis gives Sodium on cathode.

Pitanje 11
11.

Is Lead storage battery is secondary cell

Pitanje 12
12.

Faraday’s law of electrolysis is related to Speed of anion

Pitanje 13
13.

in electrolytic cells the electrical energy is used to carry out a spontaneous reaction

Pitanje 14
14.

In electrolytic cell cathode acts as oxidising agent?

Pitanje 15
15.

The unit of equivalent conductivity is ohm cm ?

Pitanje 16
16.

mercury cell has a constant cell potencial throughout its useful life

Pitanje 17
17.

the conductivity of strong elctrolyte increases on dilution slightly.

Pitanje 18
18.

Galvanised iron sheets are coated with carbon

Pitanje 19
19.

The highest electrical conductivity in aqueous solutions is 0.1 M chloro acetic acid

Pitanje 20
20.

If the conductivity and conductance of a solution is same then it cell constant is equal to 0