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प्रश्न
State one observation for each of the following :
Copper sulphate solution is electrolysed using copper electrodes.
उत्तर
When copper electrodes are used then the mass loss of copper from anode is equal to mass gained and deposited on – ve electrode
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संबंधित प्रश्न
Fill in the following blank with suitable word:
The rocky material found with ores is called.............
Explain givem equation, what happens when a mixture of Cu2O and Cu2S is heated?
Give reasons, why aluminum is used in:
In aluminiothermy
Answer the following questions based on the extraction of aluminium from alumina by Hall - Heroult’s Process :
What is the function of cryolite used along with alumina as the electrolyte?
Name the following:
The mixture of materials fed into a furnace to extract a metal.
Define the term : Slag
What is meant by concentration of ores?
Explain Bayer’s process.
Complete flow chart given below.
Give the reaction involved during extraction of zinc from its ore by
- roasting of zinc ore
- calcination of zinc ore
