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

Bauxite is the ore of (a) Aluminium (b) Copper (c) Zinc (d) Mica
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The Vindhyan system of rocks is important for the production of [CDS 2011] (a) precious stones and building materials (b) iron ore and manganese (c) bauxite and mica (d) copper and uranium

Description : The Vindhyan system of rocks is important for the production of [CDS 2011] (a) precious stones and building materials (b) iron ore and manganese (c) bauxite and mica (d) copper and uranium

Last Answer : Ans: (a)

Match the following: [NDA 2011] Mineral State A. Bauxite 1. Andhra Pradesh B. Mica 2. Orissa C. Copper 3. Madhya Pradesh D. Zinc 4. Rajasthan A B C D (a) 4 1 3 2 (b) 2 1 3 4 (c) 4 3 1 2 (d) 2 3 1 4

Description : Match the following: [NDA 2011] Mineral State A. Bauxite 1. Andhra Pradesh B. Mica 2. Orissa C. Copper 3. Madhya Pradesh D. Zinc 4. Rajasthan A B C D (a) 4 1 3 2 (b) 2 1 3 4 (c) 4 3 1 2 (d) 2 3 1 4

Last Answer : Ans: (b)

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)

What is Khetri in Rajasthan famous for? (1) Copper mines (2) Mica mines (3) Bauxite mines (4) Limestone mines

Description : What is Khetri in Rajasthan famous for? (1) Copper mines (2) Mica mines (3) Bauxite mines (4) Limestone mines

Last Answer : (1) Copper mines Explanation: Kheiri is a town in Jhunjhunu district of Rajasthan. It s situated at the foothills of the Aravalli Range, which hosts copper mineralization, giving rise to a ... province from Singhana in the north to Raghunathgarh in the south, popularly known as Khetri Copper Belt.

India has the monopoly in the International market in the supply of– (1) Iron (2) Mica (3) Bauxite (4) Copper

Description : India has the monopoly in the International market in the supply of– (1) Iron (2) Mica (3) Bauxite (4) Copper

Last Answer : (2) Mica Explanation: India produces approximate 90 % of the world's mica. It is an indispensable component of the electrical industry. India accounts for 60 % of mica embarking in international trade.

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.

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

What is Bailadila famous for? (a) Bauxite (b) Iron ore (c) Copper (d) Coal

Description : What is Bailadila famous for? (a) Bauxite (b) Iron ore (c) Copper (d) Coal

Last Answer : Ans: (b)

Anantapur district ill Andhra Pradesh is famous for – (1) Copper (2) Zinc (3) Mica (4) Gold

Description : Anantapur district ill Andhra Pradesh is famous for – (1) Copper (2) Zinc (3) Mica (4) Gold

Last Answer : (4) Gold Explanation: Anantapur District is one of the 23 districts in Andhra Pradesh. Its Jonnagiri area is the first major gold mince in the private sector in the country.

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)

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.

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.

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

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

Jadugoda mines are famous for – (1) iron ore (2) mica deposits (3) gold deposits (4) uranium deposits

Description : Jadugoda mines are famous for – (1) iron ore (2) mica deposits (3) gold deposits (4) uranium deposits

Last Answer : (4) uranium deposits Explanation: The Jaduguda Mine is a uranium mine in Jaduguda village in the Purbi Singhbhum district of the Indian state of Jharkhand. It commenced operation in 1967 and ... 1951. As of March 2012 India only possesses two functional uranium mines, including the Jaduguda Mine.

Which of the following is an ore of iron? (a) Bauxite (b) Haematite (c) Dolomite (d) Alunite

Description : Which of the following is an ore of iron? (a) Bauxite (b) Haematite (c) Dolomite (d) Alunite

Last Answer : Ans: (b)

Ankaleshwar in India is known for the production of: [NDA 2002] (a) bauxite (b) coal (c) iron ore (d) petroleum

Description : Ankaleshwar in India is known for the production of: [NDA 2002] (a) bauxite (b) coal (c) iron ore (d) petroleum

Last Answer : Ans: (d)

Which of the following minerals are found in a natural way in the State of Chhattisgarh ? 1. Bauxite 2. Dolomite 3. Iron ore 4. Tin Select the correct answer using the code given below : [IAS 2008] (a) 1, 2 and 3 only (b) 1 and 3 only (c) 2 and 4 only (d) 1, 2, 3 and 4

Description : Which of the following minerals are found in a natural way in the State of Chhattisgarh ? 1. Bauxite 2. Dolomite 3. Iron ore 4. Tin Select the correct answer using the code given below : [IAS 2008] (a) 1, 2 and 3 only (b) 1 and 3 only (c) 2 and 4 only (d) 1, 2, 3 and 4

Last Answer : Ans: (d)

Tummalapalli in Andhra Pradesh has recently come on the world map for its largest (1) Uranium deposits (2) Tungsten deposits (3) Coal deposits (4) Bauxite ore deposits

Description : Tummalapalli in Andhra Pradesh has recently come on the world map for its largest (1) Uranium deposits (2) Tungsten deposits (3) Coal deposits (4) Bauxite ore deposits

Last Answer : (1) Uranium deposits Explanation: Tummalapalle Mine is a uranium mine in Tumalapalli village located in Kadapa of the Indian state of Andhra Pradesh. It has one of the largest reserves of uranium in the world.

Which of the following is false? (a) Mica is usually found in metamorphic and igneous rocks (b) Aluminium has the advantage over iron as it is resistant to corrosion (c) line is mostly used in galvanising iron and steel goods (d) Manganese is largely used in making fertilizers

Description : Which of the following is false? (a) Mica is usually found in metamorphic and igneous rocks (b) Aluminium has the advantage over iron as it is resistant to corrosion (c) line is mostly used in galvanising iron and steel goods (d) Manganese is largely used in making fertilizers

Last Answer : Ans: (d)

The Jawar mines of Udaipur are famous for (a) Marble (b) Zinc (c) Granite (d) Bauxite

Description : The Jawar mines of Udaipur are famous for (a) Marble (b) Zinc (c) Granite (d) Bauxite

Last Answer : Ans: (b)

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)

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.

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 : Haematite : Copper

Match the following: [IAS 2007] Mineral Place A. Mica 1. Chindwara B. Diamond 2. Bellary C. Manganese 3. Panna D. Copper 4. Hazaribagh A B C D (a) 1 2 3 4 (b) 1 3 2 4 (c) 4 3 2 1 (d) 4 2 3 1

Description : Match the following: [IAS 2007] Mineral Place A. Mica 1. Chindwara B. Diamond 2. Bellary C. Manganese 3. Panna D. Copper 4. Hazaribagh A B C D (a) 1 2 3 4 (b) 1 3 2 4 (c) 4 3 2 1 (d) 4 2 3 1

Last Answer : Ans: (c)

India is the largest producer and exporter of – (1) Cotton (2) Copper (3) Tea (4) Mica

Description : India is the largest producer and exporter of – (1) Cotton (2) Copper (3) Tea (4) Mica

Last Answer : (4) Mica Explanation: India is not only the largest producer but also the largest exporter of mica in the world. Andhra Pradesh is the largest producer of mica (Geography of India by Majid Hussain). It is the second largest producer and exporter of tea after China in the world.

Which of the following is NOT correctly matched? (1) Russia - Bauxite (2) Mexico — Silver (3) Bolivia — Tin (4) U.S.A. — Copper

Description : Which of the following is NOT correctly matched? (1) Russia - Bauxite (2) Mexico — Silver (3) Bolivia — Tin (4) U.S.A. — Copper

Last Answer : (1) Russia - Bauxite Explanation: In 2010, Australia was the top producer of bauxite with almost one-third of the world's production, followed by China, Brazil, India, and Guinea, ... worldwide demands for aluminium for many cerituries. Russia was the 15th largest bauxite producer in this list.

The monazite sands on the Kerala coasts, used for generating nuclear energy contain – (1) platinum (2) copper (3) uranium (4) bauxite

Description : The monazite sands on the Kerala coasts, used for generating nuclear energy contain – (1) platinum (2) copper (3) uranium (4) bauxite

Last Answer : (3) uranium Explanation: Monazite sands contain uranium.

This group of alumino-silicate minerals is widely used in making electrical insulators (1) Bauxite (2) Chrornite (3) Manganese (4) Mica

Description : This group of alumino-silicate minerals is widely used in making electrical insulators (1) Bauxite (2) Chrornite (3) Manganese (4) Mica

Last Answer : (4) Mica Explanation: Sheet mica is used principally in the electronic and electrical industries. Its usefulness in these applications is derived from its unique electrical and thermal insulating properties and ... it is a good electrical insulator at the same time as being a good thermal conductor.

This group of alumino-silicate minerals is widely used in making electrical insulators (1) Bauxite (2) Chromite (3) Manganese (4) Mica

Description : This group of alumino-silicate minerals is widely used in making electrical insulators (1) Bauxite (2) Chromite (3) Manganese (4) Mica

Last Answer : Mica

At a site, low grade copper ores are available and zinc and iron seraps are also available. Which of the two seraps will be more suitable for reducing the leached copper ore and why ?

Description : At a site, low grade copper ores are available and zinc and iron seraps are also available. Which of the two seraps will be more suitable for reducing the leached copper ore and why ?

Last Answer : Ans. : The E0 value for the redox couple Zn2+/ Zn(-0.76V) is more negative than that of Fe2+/ Fe(- 0.44) redox couple. Therefore, Zinc is more reactive than iron and hence reduction will ... Zinc seraps are used, But Zinc is a costier metal than iron so using iron scraps would be more economical.

Sphalerite is a primary ore of which of the following metals? w) zinc x) tin y) copper z) iron

Description : Sphalerite is a primary ore of which of the following metals? w) zinc x) tin y) copper z) iron

Last Answer : ANSWER: W -- ZINC

Stainless steel contains which of the following? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium

Description : Stainless steel contains which of the following? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium

Last Answer : Ans:(b)

The most abundant metal in the Earth’s crust is - (1) zinc (2) copper (3) aluminium (4) iron

Description : The most abundant metal in the Earth’s crust is - (1) zinc (2) copper (3) aluminium (4) iron

Last Answer : (3) aluminium Explanation: The most abundant metal on Earth is aluminum. Aluminum is the third most abundant element in the Earth's crust, and makes up 8 percent of it by parts per million. The most abundant element in the Earth's crust is Oxygen followed by Silicon. Both of these are nonmetals.

German silver used for making utensils is an alloy of – (1) Copper, silver, nickel (2) Copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Description : German silver used for making utensils is an alloy of – (1) Copper, silver, nickel (2) Copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Last Answer : (2) Copper, zinc, nickel Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often ... to its development by 19th-century German metalworkers in imitation of the Chinese alloy known as paktong.

German silver is an alloy of - (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) silver, zinc and copper

Description : German silver is an alloy of - (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) silver, zinc and copper

Last Answer : (3) zinc, copper and nickel Explanation: German silver is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc.

A metal is exposed to the atmosphere for some time. It becomes coated with green carbonate. The metal must be – (1) silver (2) copper (3) aluminium (4) zinc

Description : A metal is exposed to the atmosphere for some time. It becomes coated with green carbonate. The metal must be – (1) silver (2) copper (3) aluminium (4) zinc

Last Answer : (2) copper Explanation: Copper forms a rich variety of compounds with oxidation states +1 and +2, which are often called cuprous and cupric, respectively. It does not react with water, but it ... contrast to the oxidation of iron by wet air, this oxide layer stops the further, bulk corrosion.

German silver is an alloy of – (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Description : German silver is an alloy of – (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Last Answer : (3) zinc, copper and nickel Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often ... . Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated.

Which of the following commercial metals is most abundantly found in India? (A) Copper (B) Aluminium (C) Nickel (D) Zinc

Description : Which of the following commercial metals is most abundantly found in India? (A) Copper (B) Aluminium (C) Nickel (D) Zinc

Last Answer : (B) Aluminium

German silver in an alloy of (A) Copper, nickel and zinc (B) Copper, aluminium and silver (C) Silver, zinc and aluminium (D) Silver, nickel and zinc

Description : German silver in an alloy of (A) Copper, nickel and zinc (B) Copper, aluminium and silver (C) Silver, zinc and aluminium (D) Silver, nickel and zinc

Last Answer : (A) Copper, nickel and zinc

Softness of silver can be converted into hardness by alloying it with small quantity of (A) Copper & nickel (B) Zinc (C) Aluminium (D) Tin

Description : Softness of silver can be converted into hardness by alloying it with small quantity of (A) Copper & nickel (B) Zinc (C) Aluminium (D) Tin

Last Answer : (A) Copper & nickel

Constituents of stellite are (A) Zinc, copper and nickel (B) Cobalt, chromium and tungsten (C) Zinc, aluminium and nickel (D) Nickel, cobalt and vanadium

Description : Constituents of stellite are (A) Zinc, copper and nickel (B) Cobalt, chromium and tungsten (C) Zinc, aluminium and nickel (D) Nickel, cobalt and vanadium

Last Answer : (B) Cobalt, chromium and tungsten

Babbitt metal (used for making bearings) comprises of (A) Mainly tin (85%) and lead (B) Saw dust and iron dust mixture (C) Zinc and aluminium (D) Copper and aluminium

Description : Babbitt metal (used for making bearings) comprises of (A) Mainly tin (85%) and lead (B) Saw dust and iron dust mixture (C) Zinc and aluminium (D) Copper and aluminium

Last Answer : (A) Mainly tin (85%) and lead

Monel metal is an alloy of (A) Molybdenum and nickel (B) Nickel and copper (C) Molybdenum and aluminium (D) Molybdenum and zinc

Description : Monel metal is an alloy of (A) Molybdenum and nickel (B) Nickel and copper (C) Molybdenum and aluminium (D) Molybdenum and zinc

Last Answer : (B) Nickel and copper

L.D. (Linz-Donawitz) converter is used in the production of (A) Copper (B) Steel (C) Zinc (D) Aluminium

Description : L.D. (Linz-Donawitz) converter is used in the production of (A) Copper (B) Steel (C) Zinc (D) Aluminium

Last Answer : (B) Steel

Constituents of stellite are (A) Zinc, copper & nickel (B) Cobalt, chromium & tungsten (C) Zinc, aluminium & nickel (D) Nickel, cobalt & vanadium

Description : Constituents of stellite are (A) Zinc, copper & nickel (B) Cobalt, chromium & tungsten (C) Zinc, aluminium & nickel (D) Nickel, cobalt & vanadium

Last Answer : (B) Cobalt, chromium & tungsten

Which of the following metals is not subjected to electrolytic refining/purification? (A) Copper (B) Zinc (C) Tin (D) Aluminium

Description : Which of the following metals is not subjected to electrolytic refining/purification? (A) Copper (B) Zinc (C) Tin (D) Aluminium

Last Answer : (C) Tin