Entry Test MCQ :: Electrochemistry

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31.

The element that act as anode always have _______ position in electrochemical cell

A.	higher	B.	lower
C.	in middle	D.	no effect of position

32.

In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be

A.	greater	B.	lesser
C.	sum of reduction and oxidation potentials	D.	none

33.

Greater value of standard reduction potential greater will be tendency

A.	to get oxidized	B.	to get reduced
C.	to accept electrons	D.	both b and c

34.

Greater value of standard reduction potential smaller will be tendency

A.	to form positive ions	B.	to form negative ions
C.	gain electrons	D.	all are possible

35.

Secondary cell is

A.	rechargeable	B.	non rechargeable
C.	electrolytic cell	D.	Daniel cell

36.

Lead accumulators are

A.	secondary cell	B.	primary cell
C.	voltaic cell	D.	both a & c

37.

Density of H2SO4 in lead accumulator is

A.	1.25g/cm3	B.	1.3g/cm3
C.	1.20g/cm3	D.	1.15g/cm3

38.

Capacity of one lead accumulator cell is

A.	1.5 volts	B.	2 volts
C.	3 volts	D.	1 volts

39.

In alkaline battery the anode is made up of

A.	MnO2	B.	Zn
C.	AgO2	D.	cadmium

40.

The strength of solution of an element whose electrode potential is to be measured is

A.	2M	B.	1N
C.	1m	D.	1M