Which of the following techniques is used in the manufacture of aluminium from bauxite

Which of the following techniques is used in the manufacture of aluminium from bauxite
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Which of the following techniques is used in the manufacture of aluminium from bauxite A. ... C. Electrolytic reduction D. Reduction with iron
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Give two uses of bauxite besides manufacture of aluminium . -SST 10th

Description : Give two uses of bauxite besides manufacture of aluminium . -SST 10th

Last Answer : (i) Used in place of iron sheets where durability is not required, (ii) In tanning leather and refining mineral oil.

rting raw material for the manufacture of alum is(A) Alumina(B) Gypsum(C) Bauxite(D) Ammonium bicarbonate

Description : rting raw material for the manufacture of alum is (A) Alumina (B) Gypsum (C) Bauxite (D) Ammonium bicarbonate

Last Answer : (C) Bauxite

How are deposits of bauxite formed and aluminium obtained? -SST 10th

Description : How are deposits of bauxite formed and aluminium obtained? -SST 10th

Last Answer : (i) Bauxite deposits are formed due to decomposition of wide variety of rocks rich in aluminium silicates. Ores containing aluminium are obtained from bauxite which is a clay-like substance ... Orissa. Panchpatmali deposits in Koraput district are the most important bauxite deposits in the state.

Bauxite is the ore of (a) Aluminium (b) Copper (c) Zinc (d) Mica

Description : Bauxite is the ore of (a) Aluminium (b) Copper (c) Zinc (d) Mica

Last Answer : Ans: (a)

Critical criteria for the location of an aluminium plant in India are the availability of bauxite and: [CDS 1999] (a) coal (b) electricity (c) labour (d) ready market

Description : Critical criteria for the location of an aluminium plant in India are the availability of bauxite and: [CDS 1999] (a) coal (b) electricity (c) labour (d) ready market

Last Answer : Ans: (b)

What is mainly obtained from bauxite? (a) Copper (b) Aluminium (c) Iron (d) Gold

Description : What is mainly obtained from bauxite? (a) Copper (b) Aluminium (c) Iron (d) Gold

Last Answer : Ans:(b)

The most important ore of aluminium is (a) Bauxite (b) Magnetite (c) Haematite (d) Monazite

Description : The most important ore of aluminium is (a) Bauxite (b) Magnetite (c) Haematite (d) Monazite

Last Answer : Ans:(a)

Aluminium is extracted from bauxite (a) By reduction with carbon (b) By reduction with Mg (c) By reduction with CO (d) By electrolysis in molten cryolite

Description : Aluminium is extracted from bauxite (a) By reduction with carbon (b) By reduction with Mg (c) By reduction with CO (d) By electrolysis in molten cryolite

Last Answer : Ans:(d)

Which mineral is the ore of aluminium? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite

Description : Which mineral is the ore of aluminium? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite

Last Answer : (2) Bauxite Explanation: Bauxite is an aluminium ore and is the main source of aluminium. Approximately 70% to 80% of the world's dry bauxite production is processed first into alumina, and then into aluminium by electrolysis.

The ore of Aluminium is - (1) Fluorspar (2) Bauxite (3) Chalco pyrites (4) Hematite

Description : The ore of Aluminium is - (1) Fluorspar (2) Bauxite (3) Chalco pyrites (4) Hematite

Last Answer : (2) Bauxite Explanation: Bauxite, an aluminium ore, is the world's main source of aluminium. Bauxite is priinarily comprised of aluminum oxide compounds (alumina), silica, iron oxides and titanium dioxide. It is refined through the Bayer chemical process into alumina.

Bauxite is used as raw material by which industry? (1) Aluminium (2) Iron (3) Steel (4) Gold

Description : Bauxite is used as raw material by which industry? (1) Aluminium (2) Iron (3) Steel (4) Gold

Last Answer : (1) Aluminium Explanation: Bauxite is the principal ore of aluminium. Bauxite is not a mineral. It is a rock formed from a laterite soil that has been severely leached of silica and other soluble materials in a wet tropical or subtropical climate.

Bauxite is used as raw material by which industry? (1) Aluminium (2) Iron (3) Steel (4) Gold

Description : Bauxite is used as raw material by which industry? (1) Aluminium (2) Iron (3) Steel (4) Gold

Last Answer : (1) Aluminium Explanation: Bauxite is the principal ore of aluminium. Bauxite is not a mineral. It is a rock formed from a laterite soil that has been severely leached of silica and ... materials in a wet tropical or subtropical climate. Aluminium is extracted from bauxite using the Bayer process.

What is the principal ore of aluminium? (1) Dolomite (2) Copper (3) Lignite (4) Bauxite

Description : What is the principal ore of aluminium? (1) Dolomite (2) Copper (3) Lignite (4) Bauxite

Last Answer : (4) Bauxite Explanation: Bacodte is an aluminium ore and is the main source of aluminium. This form of rock consists mostly of the minerals gibbsite, boehmite , and diaspore , in a mixture ... it was first recognised as containing aluminium and named by the French geologist Pierre Berthier in 1821.

Which one of the following pairs is NOT correctly matched? (1) Haematite : Copper (2) Bauxite : Aluminium (3) Monazite : Thorium (4) Pitchblende : Uranium

Description : Which one of the following pairs is NOT correctly matched? (1) Haematite : Copper (2) Bauxite : Aluminium (3) Monazite : Thorium (4) Pitchblende : Uranium

Last Answer : (1) Haematite : Copper Explanation: Haematite is the mineral form of iron oxide (Fe2O3), one of several iron oxides. It is mined as the main ore of iron. Hematite is harder than pure iron, but much more brittle.

Bauxite is an alloy of which of the following metals? (1) Aluminium (2) Silver (3) Tin (4) Iron

Description : Bauxite is an alloy of which of the following metals? (1) Aluminium (2) Silver (3) Tin (4) Iron

Last Answer : (1) Aluminium Explanation: Bauxite is an aluminium ore and is the main source of aluminium. This form of rock consists mostly of the minerals gibbsite Al(OH)3, boehmite, and diaspore, in a ... the two iron oxides goethite and hematite, the clay mineral kaolinite, and small amounts of anatase TiO2.

The important ore of aluminium is – (1) bauxite (2) cryolite (3) fluorspar (4) haematite

Description : The important ore of aluminium is – (1) bauxite (2) cryolite (3) fluorspar (4) haematite

Last Answer : (1) bauxite Explanation: Bauxite is an aluminium ore and is the main source of aluminium. This form of rock consists mostly of the minerals gibbsite, boehmite and diaspore , in a mixture ... it was first recognized as containing aluminium and named by the French geologist Pierre Berthier in 1821.

Why is extraction of aluminium not commercially viable by using reducing agents like coke? OR Coke is used in the extraction of iron but not in the extraction of aluminium. Why? OR Aluminium cannot be extracted by heating bauxite and coke. Why?

Description : Why is extraction of aluminium not commercially viable by using reducing agents like coke? OR Coke is used in the extraction of iron but not in the extraction of aluminium. Why? OR Aluminium cannot be extracted by heating bauxite and coke. Why?

Last Answer : Oxygen of aluminium oxide cannot be easily taken away by reducing agents like coke.

Bauxite is an ore of-----? A. copper B. zinc C. aluminium (Answer) D. iron

Description : Bauxite is an ore of-----? A. copper B. zinc C. aluminium (Answer) D. iron

Last Answer : C. aluminium (Answer)

Aluminium is extracted from (A) Chalcocite (B) Bauxite (C) Galena (D) None of these

Description : Aluminium is extracted from (A) Chalcocite (B) Bauxite (C) Galena (D) None of these

Last Answer : (B) Bauxite

Bauxite is used as raw material by which industry ? (1) Aluminium (2) Iron (3) Steel (4) Gold

Description : Bauxite is used as raw material by which industry ? (1) Aluminium (2) Iron (3) Steel (4) Gold 

Last Answer : Aluminium

The ore of Aluminium is (1) Fluorspar (2) Bauxite (3) Chalco pyrites (4) Hematite

Description : The ore of Aluminium is (1) Fluorspar (2) Bauxite (3) Chalco pyrites (4) Hematite

Last Answer : Bauxite

Which mineral is the ore of aluminium ? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite

Description : Which mineral is the ore of aluminium ? (1) Haematite (2) Bauxite (3) Magnetite (4) Siderite

Last Answer : Bauxite

Which one of the following pairs is NOT correctly matched? (1) Haematite : Copper (2) Bauxite : Aluminium (3) Monazite : Thorium (4) Pitchblende : Uranium

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The important ore of aluminium is (1) bauxite (2) cryolite (3) fluorspar (4) haematite

Description : The important ore of aluminium is (1) bauxite (2) cryolite (3) fluorspar (4) haematite

Last Answer : bauxite

What is the principal ore of aluminium ? (1) Dolomite (2) Copper (3) Lignite (4) Bauxite

Description : What is the principal ore of aluminium ? (1) Dolomite (2) Copper (3) Lignite (4) Bauxite

Last Answer : Bauxite

Bauxite is an alloy of which of the following metals ? (1) Aluminium (2) Silver (3) Tin (4) Iron

Description : Bauxite is an alloy of which of the following metals ? (1) Aluminium (2) Silver (3) Tin (4) Iron 

Last Answer : Aluminium

Which of the Which of the following is following is the least the least likely decision likely decision to be made by made by Operations Operations Managers? a. How much How much capacity is capacity is required to required to balance demand b. balance demand b. How to use quality techniques to reduce waste c. Deciding which market areas to manufacture products for d. Selecting the location and layout of a facility e. Designing and Designing and improving the improving the jobs of jobs of the workforce

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Last Answer : Option A

Name the mineral used in the manufacture of: (i) Cement (ii) Aluminium -Geography

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Which one of the following elements is used in the manufacture of fertilizers? (1) Fluorine (2) Potassium (3) Lead (4) Aluminium

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Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is (A) Ni (B) V2O5 (C) Fe (D) Aluminium triethyl combined with titanium tetrachloride

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Description : What is the role of borax or aluminium powder in the manufacture of glass?

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Description : The catalyst used in the manufacture of DDT is (A) Alumina (B) Silica (C) 20% oleum (D) Aluminium chloride

Last Answer : (C) 20% oleum

Pick out the wrong statement. (A) Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate (B) Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or arsenic oxide (C) Ordinary glass is represented chemically by Na2O . CaO . 6SiO2 (D) Red color is imparted to glass by addition of arsenic oxide

Description : Pick out the wrong statement. (A) Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate (B) Glass is decolorized during its manufacture by ... Na2O . CaO . 6SiO2 (D) Red color is imparted to glass by addition of arsenic oxide

Last Answer : (D) Red color is imparted to glass by addition of arsenic oxide

Which ofthe following materials is used in the manufacture of resistance grids to be used in the starters of large motors ? (a) Copper (b) Aluminium (c) Steel (d) Cast-iron

Description : Which ofthe following materials is used in the manufacture of resistance grids to be used in the starters of large motors ? (a) Copper (b) Aluminium (c) Steel (d) Cast-iron

Last Answer : (d) Cast-iron

Which one of the following elements is used in the manufacture of fertilizers ? (1) Fluorine (2) Potassium (3) Lead (4) Aluminium

Description : Which one of the following elements is used in the manufacture of fertilizers ? (1) Fluorine (2) Potassium (3) Lead (4) Aluminium

Last Answer : Potassium

1. Name the metal obtained from Bauxite. -Geography

Description : 1. Name the metal obtained from Bauxite. -Geography

Last Answer : 1. Aluminium It is used for making pots, pans and parts of automobiles. 2. Bhakra Nangal

State the most important use of the following : (i) Iron ore (ii) Bauxite -Geography

Description : State the most important use of the following : (i) Iron ore (ii) Bauxite -Geography

Last Answer : Most important use of: (i) Iron ore : In the production of steel. (ii) Bauxite: In the production of aluminium.

What are the important centres of bauxite deposits in India? -Geography

Description : What are the important centres of bauxite deposits in India? -Geography

Last Answer : Bauxite is an important mineral as aluminium; an important metal in many industries. India's bauxite deposits are mainly distributed between the states of Madhya Pradesh and Chattisgarh. The main ... Chattisgarh), and the plateau region of Bilaspur - Katni (between Madhya Pradesh and Chattisgarh).

Which metal can be obtained from bauxite? -Geography

Description : Which metal can be obtained from bauxite? -Geography

Last Answer : Bauxite is a non-ferrous mineral. It is a clay-like substance and a main source for the metal aluminium. It is the world's main source of aluminium. Aluminium is available from bauxite ... rich in aluminium silicates. The metal aluminium is extremely important as it is highly malleable and ductile.

Processing of which minerals release huge amount of dust in the atmosphere? 1 a) Sandstone b) Iron ore c) Limestone d) Bauxite 15. -Geography

Description : Processing of which minerals release huge amount of dust in the atmosphere? 1 a) Sandstone b) Iron ore c) Limestone d) Bauxite 15. -Geography

Last Answer : C) Limestone

How are bauxite deposits formed? In which regions is bauxite found? -SST 10th

Description : How are bauxite deposits formed? In which regions is bauxite found? -SST 10th

Last Answer : . Bauxite deposits are formed by the decomposition of a wide variety of rocks rich in aluminium silicates. . It is an important metal because it combines the strength of metals such as ... . Panchpatmali deposits in Koraput district (Odisha) are the most important bauxite deposits in the state.

What are the chief characteristics of bauxite? -SST 10th

Description : What are the chief characteristics of bauxite? -SST 10th

Last Answer : .Though several ores contain aluminium, it is from bauxite that a clay-like substance alumina and later aluminium are obtained. .Bauxite deposits are formed by the decomposition of a wide ... of metals such as iron with extreme lightness and also with good conductivity and great malleability.

Which one of the following industries uses bauxite as a raw material ? -SST 10th

Description : Which one of the following industries uses bauxite as a raw material ? -SST 10th

Last Answer : A - Bauxite is an ore rich in aluminium.

How are bauxite deposits formed? -SST 10th

Description : How are bauxite deposits formed? -SST 10th

Last Answer : Bauxite deposits are formed by decomposition of a wide variety of rocks rich in aluminium silicates.

Name the regions where India’s bauxite deposits are mainly found. -SST 10th

Description : Name the regions where India’s bauxite deposits are mainly found. -SST 10th

Last Answer : The Amarkantak plateau, Maikal hills and the plateau region of Bilaspur-Katur.

How are bauxite formed? -SST 10th

Description : How are bauxite formed? -SST 10th

Last Answer : (i) Bauxite deposits are formed by the decomposition of a wide variety of rocks rich in aluminium silicates. (ii) India's bauxite deposits are found in the Amarkantak plateau, Maikal hills ... - Katre. (iii) Panchapatmali deposits in Koraput district the most important bauxite deposits in Orissa.

How has bauxite found its place in the aircraft industry? -SST 10th

Description : How has bauxite found its place in the aircraft industry? -SST 10th

Last Answer : Because Aluminium which is processed from it is light and resists rust.

Why is bauxite considered an important mineral? -SST 10th

Description : Why is bauxite considered an important mineral? -SST 10th

Last Answer : Bauxite is used in manufacture of aluminium which being light in nature finds its use in aircraft.

Name the metal obtained from Bauxite. -SST 10th

Description : Name the metal obtained from Bauxite. -SST 10th

Last Answer : Aluminium is the metal obtained from Bauxite.