English

Name One Metal Each Occurring as : an Oxide - Science and Technology 2

Advertisements
Advertisements

Question

Name one metal each occurring as :  
An oxide

One Word/Term Answer

Solution

Aluminum oxide (Al2O3)

shaalaa.com
  Is there an error in this question or solution?
2016-2017 (July)

APPEARS IN

RELATED QUESTIONS

What is aqua-regia? Name two special metals which are insoluble in common reagents but dissolve in aqua-regia.


Name one method for the refining of metals.


How are metals refined by the electrolytic process? Describe the electrolytic refining of copper with the help of a neat labelled diagram.


Draw a neat labelled diagram.

Magnetic separation method.


Draw a neat labelled diagram.

Froth floatation method.


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


Name one metal each occurring as :
A carbonate


Electrolysis is used to obtain pure metal from impure metal.


The lightest liquid metal 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


In the electrolytic refining of copper, the electrolyte used is:


An electrolytic cell consists of

  1. positively charged cathode
  2. negatively charged anode
  3. positively charged anode
  4. negatively charged cathode

During electrolytic refining of zinc, it gets


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


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

Identify the terms for the following:

The electrode where reduction takes place.


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×