61.
The degree of dissociation of an electrolyte depends on

62.
In the electroplating of gold, the electrolyte used is

63.
The deterioration of a metal by an electrochemical process is commonly termed as

64.
Aqueous solution of which of the following is a good conductor of electricity

65.
The cathode of a lead storage battery is made up of

66.
When a lead storage battery is discharged,

67.
Which of the following pairs of materials serves as electrodes in rechargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ?

68.
In a Carbonyl group a carbon atom makes double bond with

69.
Williamson's synthesis is widely used in the laboratory preparation of

70.
German silver, an alloy, does not contain the metal