Electrochemistry

Chemistry
977 Views

Current in an electrolyte is carried by

A
only electrons
B
only - ve ions
C
only + ve ions
D
both + ve and - ve ions
Easy
View solution>

Electric energy is produced by the :

A
separation of charges
B
separation of protons
C
separation of holes
D
separation of plates
Easy
View solution>

When the lead accumulator is charged, it acts as:

A
an electrolytic cell
B
a galvanic cell
C
a Daniel cell
D
none of the above
Easy
View solution>

_________ is an application of electrolysis.

A
Oxidation
B
Electrotyping
C
Electric shielding
D
Electric polishing.
Easy
View solution>

Splitting a compound using electricity is called:

A
electrolysis
B
electrolyte
C
electrokinesis
D
none of the above
Easy
View solution>

In electrolysis, mass of the substance liberated at cathode is proportional to 

A
strength of the current passed.
B
time of passage of current.
C
quantity of electricity passed.
D
none of these
Easy
View solution>

Which of the following methods is suitable for preventing an iron frying pan from rusting?

A
Applying grease
B
Applying paint
C
Applying a coating of zinc
D
All of the above.
Easy
View solution>