Advertisements
Advertisements
प्रश्न
Draw a neat labelled diagram.
Froth floatation method.
Advertisements
उत्तर
Froth floatation method-
APPEARS IN
संबंधित प्रश्न
What is aqua-regia?
What is meant by refining of a metal? Name the most widely used method for the refining of impure metals obtained by various reduction processes. Describe this method with the help of a labelled diagram by taking the example of any metal.
Name any five metals which are purified by electrolytic refining method.
Draw a neat labelled diagram.
Magnetic separation 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 sulphine
Name one metal each occurring as :
A carbonate
Name one metal each occurring as :
An oxide
Electrolysis is used to obtain pure metal from impure metal.
The lightest liquid metal is ____________.
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process is:
Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?
(i) Au
(ii) Cu
(iii) Na
(iv) K
An electrolytic cell consists of
- positively charged cathode
- negatively charged anode
- positively charged anode
- negatively charged cathode
During electrolytic refining of zinc, it gets
Which one of the following figures correctly describes the process of electrolytic refining?
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.
