What molten substance is used in the Hall process to reduce aluminum?

What molten substance is used in the Hall process to reduce aluminum?
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1 Answer

Answer :

ANSWER: CRYOLITE
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Related questions

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In the extraction of aluminium by Hall-Heroult process purified `Al_(2)O_(3)` is mixed with `CaF_(2)` to

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Hall- Heroult process is related to?

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Last Answer : Aluminum (Al)

(i) Explain the process of diffusion in semiconductor material. (ii) Explain Hall effect.

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A 60-year-old woman has glaucoma following cataract surgery. Which of the following can be used to reduce intraocular pressure? (a) Leukotriene LTD4 or its analogs (b) Prostaglandin E2 or its analogs (c) Prostaglandin F2a or its analogs (d) Slow-reacting substance of anaplylaxis (SRS-A) (e) Thromboxane A2 or its analogs

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Half life period of a chemical reaction is (A) The time required to reduce the concentration of the reacting substance to half its initial value (B) Half of the space time of a reaction (C) Half of the residence time of a reaction (D) None of these

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________ is a substance that can reduce the force of friction between the two surface in contact. a) lubricant b)paste c)water d)push

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What is Aluminum Oxide ?

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Last Answer : Aluminum oxide or aluminum oxide is a chemical compound composed of a combination of aluminum and oxygen whose chemical symbol is Al2O3 . While it is commonly known as alumina, it has several names, including alloxide , alloxite, or alum.

What is Aluminum Sulphate called in modern Bengali ?

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Last Answer : Aluminum sulphate is commonly called alum in Bengali.

What is the physical condition of aluminum ?

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Last Answer : The physical condition of aluminum is silver metal.

Who Discovered Aluminum ?

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Last Answer : Aluminum H. Orstad discovered.

In what year was aluminum discovered ?

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Last Answer : Aluminum was discovered in 1825 .

What is the valence of aluminum ?

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Last Answer : Aluminum valence 3 .

What is the boiling point of aluminum ?

Description : What is the boiling point of aluminum ?

Last Answer : The boiling point of aluminum is 2467 degrees Celsius.

What is the melting point of aluminum ?

Description : What is the melting point of aluminum ?

Last Answer : Aluminum has a melting point of 660 degrees Celsius.

What is the relative atomic mass of aluminum ?

Description : What is the relative atomic mass of aluminum ?

Last Answer : Relative atomic mass of aluminum 27 .

Where did the name Aluminum come from ?

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Last Answer : The name Aluminum comes from the salt called Elam.

What is the atomic number of aluminum ?

Description : What is the atomic number of aluminum ?

Last Answer : The atomic number of aluminum is 13 .

What is the weight of aluminum in the crust ?

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Last Answer : 7 parts of the weight of the crust is aluminum.

What is Aluminum Plan ?

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Last Answer : Aluminum is a metal. In the case of metallic elements, the number of electrons in the latest orbit indicates its valence. Since there are 3 electrons in the last orbit of aluminum, its scheme is 3

What is the symbol of aluminum ?

Last Answer : Aluminum symbol Al

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Last Answer : (2) pedalfer soil Explanation: Pedalfer soil is composed of aluminum and iron oxides. It is a subdivision of the zonal soil order comprising a large group of soils in which sesquioxides increase relative to silica during soil formation.

What is a mixture of potassium nitrate powdered charcoal and sulfur called? (1) paint (2) aluminum (3) brass (4) gun powder

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Last Answer : (4) gun powder Explanation: Gun powder is the mixture of potassium nitrate powdered charcoal and sulfur.

Give reason why boron and aluminum tend of form covalent compounds.

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Last Answer : Ans. Sum of the three ionization enthalpies of both the elements are very high. Thus they have no tendency to lose electrons to form ionic compound. Instead they form covalent compounds.

Why are isotopes not considered in Mendeleev’s periodic table?Name the elements which are predicted by Mendeleev as eka –silicon and eka –aluminum

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Last Answer : Ans.Because Mendeleev gave priority to similarities in properties. Germanium and gallium