हिंदी

Complete flow chart given below. Methods of concentration of or

Advertisements
Advertisements

प्रश्न

Complete flow chart given below.

सारिणी
Advertisements

उत्तर

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 8: Metallugy - Complete flow chart given below

संबंधित प्रश्न

Give the importance of the following for living beings:

Nitrogen


Give the importance of the following for living beings:

Carbon


Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.

Identify A and B and give their reactions with dil HCL and dil H2SO4 ?


Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.

Give the effect of heat on their ?
oxides


Explain the following terms:

smelting


On which factors does the purification of metals depend?


With a labelled diagram, explain the electro-refining of a particular metal.


Give the ionization reactions of electrolyte used in Hall’s process. write the reaction at the cathode and the anode. Why the anode has to be replaced in this process?


Complete the following flow chart and answer the questions below:

i) In which method pine oil is used?
ii) Explain what method of concentration in brief.


A compound that is added to lower the fusion temperature of the electrolytic bath in the extraction of aluminium.


Match the columns.

Group A Group B
1. ZnS a) Copper Sulphide
2. HgS b) Bauxite
  c) Cinnabar
  d) Zinc blend

Write the molecular formulae of the following compound.

Stannic oxide


Explain concept with example/explain with the help of a balanced equation.

Gangue


Explain concept with example/explain with the help of a balanced equation.

Minerals


Complete the following flowchart.


The chemical name of rust is ______.


Explain the smelting process.


Calculate the difference between heat of combustion of carbon monoxide gas at constant pressure and at constant volume at 27°C? (R = 2 cal K-1 mol-1).


Name the process that is employed to refine aluminium.


Identify false statement regarding lithium aluminium hydride?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×