Name a chemical used for dissolving aluminum oxide. In which state of subdivision is the chemical used?

Open in App

Solution

1) Molten cryolite $({Na}_{3} {AlF}_{6})$ and Fluorspar $({CaF}_{2})$ are used as solvents for dissolving aluminum oxide $({Al}_{2} O_{3})$ in the Hall- Heroult process.
2) They are used in the molten states.

Suggest Corrections

Similar questions

Q. Aluminium is extracted from its chief ore, bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
(a) Write three balanced equations for the purification of bauxite by Hall's process.
(b) Name a chemical used for dissolving aluminium oxide. In which state of sub-division is the chemical used?
(c) Write an equation for the reaction which takes place at the anode during the extraction of aluminium by the electrolytic process.
(d) Mention one reason for the use of aluminium in thermite welding. Which particular property of cast iron makes it unsuitable for the construction of bridges?

What chemical process is used for obtaining a metal form its oxide?

Q. (a) Name two metals which are found in free state in nature.
(b) What chemical process is used for extracting a metal from its oxide ore? Name one metal which is extracted by this method.
(c) Describe the extraction of zinc metal from its sulphide ore as well as its carbonate ore. Write equations of all the reactions involved.

Q. name a chemical used ffor dissolving al2o3.In which state of subdivision is the chemical used.

Aluminum is extracted from its chief ore, bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
Name a chemical used for dissolving aluminum oxide. In which state of sub-division is the chemical used?

Join BYJU'S Learning Program

Name a chemical used for dissolving aluminum oxide. In which state of subdivision is the chemical used?

1) Molten cryolite Na3AlF6and Fluorspar CaF2 are used as solvents for dissolving aluminum oxide Al2O3 in the Hall- Heroult process.2) They are used in the molten states.

1) Molten cryolite $({Na}_{3} {AlF}_{6})$ and Fluorspar $({CaF}_{2})$ are used as solvents for dissolving aluminum oxide $({Al}_{2} O_{3})$ in the Hall- Heroult process.
2) They are used in the molten states.