English
Maharashtra State BoardSSC (English Medium) 10th Standard

In the Extraction of Aluminium: Draw the Diagram for the Extraction of Aluminium.

Advertisements
Advertisements

Question

In the extraction of aluminium: Draw the diagram for the extraction of aluminium.

Advertisements

Solution

Extraction of aluminium:

shaalaa.com
  Is there an error in this question or solution?
2013-2014 (March)

APPEARS IN

RELATED QUESTIONS

Metallic oxides of zinc, magnesium and copper were heated with the following metals.

Metal Zinc Magnesium Copper
Zinc oxide
Magnesium oxide
Copper oxide

In which cases will you find displacement reactions taking place?


Name one metal which is extracted by reduction with aluminium.


Fill in the following blank with suitable word:

The rocky material found with ores is called.............


Name the chemical compound which is electrolysed in molten state to obtain sodium metal. Which gas is produced in this process?


Name two metals which are found in nature mainly in the free state (as metallic elements).


What iron compound is present in haematite ore? Also write its chemical formula.


How is copper extracted from its sulphide ore (copper glance), Cu2S? Explain with equations of the reactions involved.


Give the principles of the froth floatation process.


Give reasons, why aluminum is used in:

wrapping chocolates


Define the following term.

Mineral


Answer the following questions based on the extraction of aluminium from alumina by Hall - Heroult’s Process : 
Why is powdered coke sprinkled on top of the electrolyte? 


Define the term: 

Slag


What is galvanized iron.


Arrange the metals of copper, iron, magnesium, sodium and zinc in the decreasing order of reactivity.


Name the following :

The Process of heating an ore to a high temperature in the presence of air.


What is the difference between calcination and roasting?


Carbon cannot reduce the oxides of sodium, magnesium, and aluminum to their respective metals. Why? Where are these metals placed in the reactivity series? How are these metals obtained from their ores? Take an example to explain the process of extraction along with chemical equations.


_______ is the least reactive metal.


Which of the following metals exist in their native state in nature?

  1. Cu
  2. Au
  3. Zn
  4. Ag

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×