English

Explain the Term : Electro Metallurgy - Chemistry

Advertisements
Advertisements

Question

Explain the term : Electro metallurgy

Definition

Solution

Electro metallurgy : It is the process of extraction of metal from its ore through the use of electric current.

shaalaa.com
Electrolytes
  Is there an error in this question or solution?
Chapter 6: Electrolysis - Exercise 2 [Page 146]

APPEARS IN

Frank Chemistry - Part 2 [English] Class 10 ICSE
Chapter 6 Electrolysis
Exercise 2 | Q 2.2 | Page 146

RELATED QUESTIONS

The electrolysis of acidified water is an example of :

(A) Reduction

(B) Oxidation

(C) Redox reaction

(D) Synthesis


Write the difference between with examples:
Electrolytic dissociation and ionization


How is electrolytic dissociation different from thermal dissociation?


Three different electrolytic cells, A, B and C are connected in separate circuits. Electrolytic cell A contains a sodium chloride solution. When the circuit is completed, a bulb in the circuit glows brightly. Electrolytic cell B contains an acetic acid solution and in this case, the bulb in the circuit glows dimly. The electrolytic cell C contains a sugar solution and the bulb does not glow. Give a reason for each of these observations.


Give appropriate scientific reasons for the following statement :
Carbon tetrachloride does not conduct electricity.


Give reasons why in the electroplating of an article with silver, the electrolyte sodium argentocynide solution is preferred over silver nitrate solution.


Identify the substance underlined in each of the following case :
The particles present in a liquid such as kerosene, that is non-electrolyte.


State the observation at the anode and at the cathode during the electrolysis of :
Copper sulphate solution using copper electrodes.


From the following list of substances choose those which meet the description given below.

Ammonium chloride, ammonium nitrate, chlorine, dilute hydrochloric acid, iron, lead nitrate, manganese (IV) oxide, silver nitrate, sodium nitrate, sodium nitrite, and sulphur.

Two compounds whose aqueous solutions give white precipitates with dilute hydrochloric acid.


Classify the following substance:

Carbon tetrachloride


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×