Uncategorized

Write the principle behind the following methods of refining:(i) Hydraulic washing(ii) Vapour – phase refining

By User
On

Hydraulic Washing:It is based on the difference in gravities of the on and the gangue particles.
Vapour Phase Refining: This method is used for purification of metal . In this , metal forms a volatile compound which after further heating forms pure metal.

Final answer:
Hydraulic Washing:It is based on the difference in gravities of the on and the gangue particles.
Vapour Phase Refining: This method is used for purification of metal . In this , metal forms a volatile compound which after further heating forms pure metal.

Related Posts:

  1. Give a brief description of the principles of distillation.
  2. Write short notes on the following: Principle of indemnity.
  3. (A) When NaCl is added to water, a depression in freezing point is observed.(B) The lowering of vapour pressureof a solution causes depression in the freezing point.
  4. Explain the principle of remuneration.
  5. What are eddy currents? How are they produced? in what sense eddy currents are considered undesirable in a transformer? How can they be minimised? Give two applications of eddy currents.
  6. Name the device used for measuring the pressure exerted by liquids. Also, state its working principle.