Purification of aluminium done by electrolytic refining is known as
Purification of aluminium done by electrolytic refining is known as
- [AIPMT 1999]
- A
Serpeck's process
- B
Hall's process
- C
Baeyer's process
- D
Hoop's process
Similar Questions
The type of hybridisation of boron in diborane is
The type of hybridisation of boron in diborane is
$H_3BO_3$ is
$H_3BO_3$ is
Correct Lewis acidity order of $BX_3$ is
Correct Lewis acidity order of $BX_3$ is
Which among the following statement(s) is(are) true for the extraction of aluminium from bauxite?
$(A)$ Hydrated $Al _2 O _3$ precipitates, when $CO _2$ is bubbled through a solution of sodium aluminate.
$(B)$ Addition of $Na _3 AlF _6$ lowers the melting point of alumina.
$(C)$ $CO _2$ is evolved at the anode during electrolysis.
$(D)$ The cathode is a steel vessel with a lining of carbon.
Which among the following statement(s) is(are) true for the extraction of aluminium from bauxite?
$(A)$ Hydrated $Al _2 O _3$ precipitates, when $CO _2$ is bubbled through a solution of sodium aluminate.
$(B)$ Addition of $Na _3 AlF _6$ lowers the melting point of alumina.
$(C)$ $CO _2$ is evolved at the anode during electrolysis.
$(D)$ The cathode is a steel vessel with a lining of carbon.
- [IIT 2020]
Soft heavy metal melts at ${30\,^o}C$ and is used in making heat sensitive thermometers the metal is
Soft heavy metal melts at ${30\,^o}C$ and is used in making heat sensitive thermometers the metal is