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प्रश्न
Ionic compounds are electrically _______.
पर्याय
positively charged
negatively charged
neutral
conductor
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उत्तर
Ionic compounds are electrically neutral.
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संबंधित प्रश्न
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.
How are metals refined by the electrolytic process?
During the refining of an impure metal by electrolysis, the pure metal is a deposited ______.
Draw a neat labelled diagram.
Magnetic separation method.
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
Draw a neat labelled diagram.
Hydraulic separation method.
Name one metal each occurring as :
A sulphine
Name one metal each occurring as :
A carbonate
Name one metal each occurring as :
An oxide
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process 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
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
Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements.
- Mg and N2
- Li and O2
- Al and Cl2
- 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 question with reference to the electrorefining of copper:
What do you observe at the cathode?
