Advertisements
Advertisements
Question
Give reason for the following:
A neutral gas other than oxygen is formed at the anode during electrolysis of fused alumina.
Solution
A neutral gas other than oxygen is formed at the anode during electrolysis of fused alumina because the oxygen gas formed at the anode oxidizes the carbon of the anode to carbon dioxide.
APPEARS IN
RELATED QUESTIONS
How does aluminum react with the Air ?
State a reason why zinc is used in:
dry cells
How do the properties of an alloy differ from alloy constituents?
Name an alloy of aluminium used in aircraft construction.
Explain the term of Ores .
Complete and balance the following equation :
Al + NaOH →
Arrange the metals:
calcium, iron, magnesium and sodium in order of their reactivity with water placing the most reactive first.
A to F below relate to the source and extraction of either zinc or aluminium.
- Bauxite
- Coke
- Cryolite
- Froth floatation
- Sodium hydroxide solution
- Zinc blende
Write the formula of cryolite.
Name : The processes involved in Refining of ores
In the Wilfley table method, the particles of gangue are separated by __________ separation method.
