English
Maharashtra State BoardSSC (English Medium) 10th Standard

In the Extraction of Aluminium: Name the Process of Concentration of Bauxite. - Science and Technology 2

Advertisements
Advertisements

Question

In the extraction of aluminium: Name the process of concentration of bauxite.

Advertisements

Solution

The process of concentration of bauxite is known as Bayer’s process.

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

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?


In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?


Silver metal does not combine easily with oxygen but silver jewellery tarnishes after some time. How?


Fill in the following blank with suitable word:

 The non-metal present in steel is ............


 Name two metals which occur in nature in free state as well as in combined state.


Define the term ore.


Name one ore of aluminium. Name the aluminium compound present in this ore and write its chemical formula.


Calamine ore can be used to extract one of the following metals. This metal is:
(a) copper
(b) mercury
(c) aluminium
(d) zinc


The metal which is always present in an amalgam is:
(a) iron
(b) aluminium
(c) mercury
(d) magnesium


State one observation for each of the following  : 
Copper sulphate solution is electrolysed using copper electrodes. 


Complete the incomplete statement with missing word:
Metals form positive ions while non- metals ______.


Name:
The allotrope of the non-metal carbon which conducts electricity.


If Cu, Fe, Zn, Al elements are arranged in increasing order of their reactivity then the correct order would be which of the following?


Find the odd one out and give its explanation.


Which of the following ore is concentrated by the Froth floatation process?


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

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

Electrical wires have a coating of an insulting material. The material, generally used is


Why should the metal sulphides and carbonates be converted to metal oxides in the process of extraction of metal from them?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×