Brass gets discoloured in air due to constant exposure in presence of:
Brass gets discoloured in air due to constant exposure in presence of:
Which of the following is not present in German silver?
Which of the following is not present in German silver?
German silver, an alloy, does not contain the metal
German silver, an alloy, does not contain the metal
Carborundum is another name of
Carborundum is another name of
German silver is an alloy of
German silver is an alloy of
Which one of the following does not contain Silver ?
Which one of the following does not contain Silver ?
Type metal used in printing press is an alloy of
Type metal used in printing press is an alloy of
The cathode of a lead storage battery is made up of
The cathode of a lead storage battery is made up of
When a lead storage battery is discharged,
When a lead storage battery is discharged,
Which of the following pairs of materials serves as electrodes in rechargeable b
Which of the following pairs of materials serves as electrodes in rechargeable batteries commonly used in devices such as torch lights, electric shavers, etc….
In a Carbonyl group a carbon atom makes double bond with
In a Carbonyl group a carbon atom makes double bond with
Williamson’s synthesis is widely used in the laboratory preparation of
Williamson’s synthesis is widely used in the laboratory preparation of