Advertisements
Advertisements
प्रश्न
Name : A non-metallic element which is a conductor of electricity.
उत्तर
Graphite
APPEARS IN
संबंधित प्रश्न
Powdered sodium chloride (common salt) does not conduct an electric current, but it does so when ______ or when ______.
What is the difference between:
Electrolytic dissociation and ionisation.
Give reason for the following:
In the electrolysis of acidified water, dilute sulphuric acid is preferred to dilute nitric acid for acidification.
Give reason for the following:
Carbon tetrachloride is a liquid but does not conduct electricity.
To carry out the so-called “electrolysis of water”. Sulphuric acid is added to water. How does the addition of sulpuric acid produce a conducting solution?
From the given list :
NaCl, NaOH, H2O (pure), NH4OH, urea, dil.H2SO4, glucose, acetic acid, H2CO3.
Select :
a) Substances which will behave as strong electrolytes.
b) Substances which will behave as weak electrolytes.
c) Substances which are non-elctrolytes.
State your observation for the following electrolytic reaction
Aqueous copper sulphate is electrolysed between platinum electrodes.
Name : A base which is not alkali
Copy and complete the following table which refers to two practical applications of electrolysis.
| Anode | Electrolyte | Cathode | |
| Silver plating of a spoon | Solution of potassium argentocyanide | ||
| Purification of copper |
We can expect that pure water ______ normally conducts electricity.
