English
Maharashtra State BoardSSC (English Medium) 10th Standard

Draw a neat labelled diagram. Electrolytic reduction of alumina.

Advertisements
Advertisements

Question

Draw a neat labelled diagram.

Electrolytic reduction of alumina.

Diagram
Advertisements

Solution

Electrolytic reduction of alumina-

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Metallurgy - Exercise [Page 109]

APPEARS IN

SCERT Maharashtra Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
Chapter 8 Metallugy
Draw a neat labelled diagram | Q 3. | Page 31

RELATED QUESTIONS

What is meant by refining of a metal? Name the most widely used method for the refining of impure metals obtained by various reduction processes. Describe this method with the help of a labelled diagram by taking the example of any metal.


During the refining of an impure metal by electrolysis, the pure metal is a deposited ______.


Draw a neat labelled diagram.

Magnetic separation method.


Draw a neat labelled diagram.

Froth floatation method.


Draw a neat labelled diagram.

Hydraulic separation method.


Which of the following process to be carried out to avoid the
formation of greenish layer on brass vessels due to corrosion?


Electrolysis is used to obtain pure metal from impure metal.


The lightest liquid metal is ____________.


\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]

The above process is:


Bauxite is mixed with cryolite so as to

(i) reduce its melting point

(ii) increase its electrical conductivity

(iii) molten cryolite acts as a solvent

(iv) increase its melting point


Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?

(i) Au

(ii) Cu

(iii) Na

(iv) K


Reaction between X and Y, forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?


Which one of the following figures correctly describes the process of electrolytic refining?


What are the constituents of solder alloy? Which property of solder makes it suitable for welding electrical wires?


Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements.

  1.  Mg and N2
  2.  Li and O2
  3.  Al and Cl2
  4.  K and O2

Answer the following question with reference to the electrorefining of copper:

What is the anode made of?


Answer the following questions with reference to the electrorefining of copper:

Write the reaction taking place at the cathode.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×