Advertisements
Advertisements
प्रश्न
Ionic compounds are electrically _______.
पर्याय
positively charged
negatively charged
neutral
conductor
उत्तर
Ionic compounds are electrically neutral.
APPEARS IN
संबंधित प्रश्न
Name one method for the refining of metals.
Name any five metals which are purified by electrolytic refining method.
During the refining of an impure metal by electrolysis, the pure metal is a deposited:
(a) at cathode
(b) on the walls of electrolytic tank
(c) at anode
(d) at the bottom of electrolytic tank
Draw a neat labelled diagram.
Magnetic separation method.
Draw a neat labelled diagram.
Froth floatation method.
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
Name one metal each occurring as :
A sulphine
Electrolysis is used to obtain pure metal from impure metal.
The lightest liquid metal is ____________.
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process is:
An electrolytic cell consists of
- positively charged cathode
- negatively charged anode
- positively charged anode
- negatively charged cathode
Reaction between X and Y, forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?
Which one of the following figures correctly describes the process of electrolytic refining?
What are the constituents of solder alloy? Which property of solder makes it suitable for welding electrical wires?
A reddish-brown metal ‘X’, when heated in air, gives a black compound ‘Y’, which when heated in the presence of H2 gas gives ‘X’ back. ‘X’ is refined by the process of electrolysis; this refined form of ‘X’ is used in electrical wiring. Identify ‘X’ and ‘Y’. Draw a well-labelled diagram to represent the process of refining ‘X’.
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.