Which of the following minerals are required for smelting iron ore? (1) Limestone and gypsum (2) Manganese and limestone (3) Limestone and coal (4) Gypsum and coal

Which of the following minerals are required for smelting iron ore? (1) Limestone and gypsum (2) Manganese and limestone (3) Limestone and coal (4) Gypsum and coal
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(2) Manganese and limestone Explanation: Composite volcanoes are most commonly found in island arcs. Most of them are found scattered on the islands adjoining the Pacific Ring of Fire where about 75% of Earth's volcanoes are found. It is a region of high volcanic and seismic activity that surrounds the majority of the Pacific Ocean Basin.
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Which of the following minerals are required for smelting iron ore? (1) Limestone and gypsum (2) Manganese and limestone (3) Limestone and coal (4) Gypsum and coal

Description : Which of the following minerals are required for smelting iron ore? (1) Limestone and gypsum (2) Manganese and limestone (3) Limestone and coal (4) Gypsum and coal

Last Answer :  Manganese and limestone

Which of the following statements are true with respect to iron ore? 2. Limestone and coal are important for smelting iron ore 3. More than 20% of the world iron ore deposits are in India 4. Odisha and Jharkhand top in the production of iron ore 5. Iran is the largest buyer of Indian iron ore (a) I, II and III (b) II and III (c) III and IV (d) II, III and IV

Description : Which of the following statements are true with respect to iron ore? 2. Limestone and coal are important for smelting iron ore 3. More than 20% of the world iron ore deposits are in India 4. Odisha and Jharkhand top in the ... a) I, II and III (b) II and III (c) III and IV (d) II, III and IV

Last Answer : Ans: (a)

India is particularly poor in reserves of (a) coal (b) iron ore (c) non-ferrous metals (d) limestone

Description : India is particularly poor in reserves of (a) coal (b) iron ore (c) non-ferrous metals (d) limestone

Last Answer : Ans: (c)

Which one of the following is used in large quantities in Cement Industry? (1) Gypsum (2) Limestone (3) Coal (4) Clay

Description : Which one of the following is used in large quantities in Cement Industry? (1) Gypsum (2) Limestone (3) Coal (4) Clay

Last Answer : (2) Limestone Explanation: Limestone, as used by the minerals industry, is any rock composed mostly of calcium carbonate (CaCO3). Limestone is used to produce Portland cement, as aggregate ... products, making it a truly versatile commodity. Portland cement is essential to the building industry.

__________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace. (A) Bauxite (B) Limestone (C) Quartz (D) Manganese

Description : __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace. (A) Bauxite (B) Limestone (C) Quartz (D) Manganese

Last Answer : (B) Limestone

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

Match the following: Minerals Location A. Coal 1. Giridih B. Copper 2. Jayamkondam C. Manganese 3. Alwar D. Lignite 4. Dharwar A B C D (a) 1 4 3 2 (b) 2 3 4 1 (c) 1 3 4 2 (d) 2 4 3 1

Description : Match the following: Minerals Location A. Coal 1. Giridih B. Copper 2. Jayamkondam C. Manganese 3. Alwar D. Lignite 4. Dharwar A B C D (a) 1 4 3 2 (b) 2 3 4 1 (c) 1 3 4 2 (d) 2 4 3 1

Last Answer : Ans: (a)

Which of the following is the power resource mineral? A. Iron ore B. Limestone C. Coal 78 D. Copper

Description : Which of the following is the power resource mineral? A. Iron ore B. Limestone C. Coal 78 D. Copper

Last Answer : ANSWER: C

Which of the following is the power resource mineral? A. Iron ore B. Limestone C. Coal D. Copper

Description : Which of the following is the power resource mineral? A. Iron ore B. Limestone C. Coal D. Copper

Last Answer : ANSWER: C

Which of the following materials is used along with iron ore and limestone to produce iron in a modern blast furnace? w) coke x) cementite y) coal z) bauxite

Description : Which of the following materials is used along with iron ore and limestone to produce iron in a modern blast furnace? w) coke x) cementite y) coal z) bauxite

Last Answer : ANSWER: W -- COKE

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)

In West Bengal, Raniganj is associated with : (1) Coalfields (2) Iron ore (3) Manganese ore (4) Copper

Description : In West Bengal, Raniganj is associated with : (1) Coalfields (2) Iron ore (3) Manganese ore (4) Copper

Last Answer : (1) Coalfields Explanation: Raniganj Coalfield is primarily located in the Asansol and Durgapur subdivisions of Bardhaman district in the Indian state of West Bengal.

(a) 1. Name the private sector iron and steel plant of India. [2] 2. From where does it get its supply of: 1. Iron ore 2. Manganese 3. Coal? -Geography

Description : (a) 1. Name the private sector iron and steel plant of India. [2] 2. From where does it get its supply of: 1. Iron ore 2. Manganese 3. Coal? -Geography

Last Answer : 1. Tata Iron and Steel Industry, Jamshedpur. 2. 1. Iron Ore: Singhbhum, Mayurbhanj. 2. Manganese: Noamundi. 3. Coal: Jharia.

Which of the following is a non-metallic mineral? (a) Bauxite (b) Magnesium (c) Gypsum (d) Manganese

Description : Which of the following is a non-metallic mineral? (a) Bauxite (b) Magnesium (c) Gypsum (d) Manganese

Last Answer : Ans: (c)

India has attained self-sufficiency in the production of – (1) Iron (2) Coal (3) Manganese (4) Nickel

Description : India has attained self-sufficiency in the production of – (1) Iron (2) Coal (3) Manganese (4) Nickel

Last Answer : (2) Coal Explanation: India has the 4th largest coal reserves in the world. Indian mineral industry has contributed significantly to make the nation self-sufficient in coal. To meet the ... other users, the production trends in coal and lignite sectors have shown a remarkable increasing trend.

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)

Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.

Description : Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.

Last Answer : (c) phosphorus, potassium, sulphur, calcium

Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Iron Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Iron Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Match the following: Minerals Areas A. Gold 1. Khetri B. Coal 2. Kolar C. Copper 3. Kudremukh D. Iron 4. Jharia A B C D (a) 2 4 1 3 (b) 1 2 3 4 (c) 4 3 2 1 (d) 3 4 1 2

Description : Match the following: Minerals Areas A. Gold 1. Khetri B. Coal 2. Kolar C. Copper 3. Kudremukh D. Iron 4. Jharia A B C D (a) 2 4 1 3 (b) 1 2 3 4 (c) 4 3 2 1 (d) 3 4 1 2

Last Answer : Ans: (a)

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)

The commodity which accounts for the maximum volume of goods transported by the railways in India is (a) iron and steel (b) coal (c) mineral oil (d) metallic ores (other than iron ore)

Description : The commodity which accounts for the maximum volume of goods transported by the railways in India is (a) iron and steel (b) coal (c) mineral oil (d) metallic ores (other than iron ore)

Last Answer : Ans: (b)

Match the following: A. Jharia 1. Iron Ore B. Neyveli 2. Sulphur C. Singhbhum 3.Gold D. Hutti 4. Coal 5. Lignite A B C D (a) 4 5 2 1 (b) 4 5 1 3 (c) 3 4 1 2 (d) 5 1 2 3

Description : Match the following: A. Jharia 1. Iron Ore B. Neyveli 2. Sulphur C. Singhbhum 3.Gold D. Hutti 4. Coal 5. Lignite A B C D (a) 4 5 2 1 (b) 4 5 1 3 (c) 3 4 1 2 (d) 5 1 2 3

Last Answer : Ans: (b)

The Rourkela steel plant obtains: 1. hydel power from the Hirakud dam 2. coking coal from Jharia coalfields 3. iron ore from Baba Budan hills (a) I, II and III (b) I and II (c) I and III (d) II and III

Description : The Rourkela steel plant obtains: 1. hydel power from the Hirakud dam 2. coking coal from Jharia coalfields 3. iron ore from Baba Budan hills (a) I, II and III (b) I and II (c) I and III (d) II and III

Last Answer : Ans: (d)

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)

The cost producing iron in India is considerably lower than in other countries because of (1) low wage of miners (2) large supply of iron ore (3) large supply of coal (4) coal and iron ore are found in the same area

Description : The cost producing iron in India is considerably lower than in other countries because of (1) low wage of miners (2) large supply of iron ore (3) large supply of coal (4) coal and iron ore are found in the same area

Last Answer : (4) coal and iron ore are found in the same area Explanation: Brazil, India, South Africa and China are highly competitive steel production locations. Brazil has vast reserves of high quality iron ... Bengal, Bihar, Orissa, and Madhya Pradesh, has been the natural nerve-centre of this industry.

India is one of the largest producers of manganese ore in the world along with – (1) China and Russia (2) Brazil and Russia (3) Australia and U.S.A. (4) South Africa and U.S.A.

Description : India is one of the largest producers of manganese ore in the world along with – (1) China and Russia (2) Brazil and Russia (3) Australia and U.S.A. (4) South Africa and U.S.A.

Last Answer : (2) Brazil and Russia Explanation: About 80% of the known world manganese resources are found in South Africa: other important manganese deposits are in Ukraine, Australia, India, China, Gabon and ... ores are preferred by many as they are generally hard, lumpy and amenable to easy reduction.

The main charge in blast furnace is usually (A) Iron ore & coke (B) Iron ore, coke & air (C) Limestone, coke & iron ore (D) Limestone, sand & iron ore

Description : The main charge in blast furnace is usually (A) Iron ore & coke (B) Iron ore, coke & air (C) Limestone, coke & iron ore (D) Limestone, sand & iron ore

Last Answer : Limestone, coke & iron ore

Which of the following contributes maximum as main source of sulphur in the blast furnace charge? (A) Sinter (B) Coke (C) Iron ore (D) Limestone

Description : Which of the following contributes maximum as main source of sulphur in the blast furnace charge? (A) Sinter (B) Coke (C) Iron ore (D) Limestone

Last Answer : Coke

Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

Description : Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

Last Answer : ANSWER: W -- LIMESTONE AND CARBON

What is Gomia in Jharkhand famous for? (a) Coal fields (b) Manganese mines (c) Fertilizer plant (d) Explosives factory

Description : What is Gomia in Jharkhand famous for? (a) Coal fields (b) Manganese mines (c) Fertilizer plant (d) Explosives factory

Last Answer : Ans: (d)

Which one of the following minerals is found in pure form? (1) Iron (2) Copper (3) Bauxite (4) Manganese

Description : Which one of the following minerals is found in pure form? (1) Iron (2) Copper (3) Bauxite (4) Manganese

Last Answer : (2) Copper Explanation: Copper is one of very few elements that are found in essentially pure form in nature. But the bulk of the copper resource is found in other minerals.

Which one of the following minerals is found in pure form? (1) Iron (2) Copper (3) Bauxite (4) Manganese

Description : Which one of the following minerals is found in pure form? (1) Iron (2) Copper (3) Bauxite (4) Manganese

Last Answer : Copper

Which of the following oxides is not present in hematite iron ore? (A) Titanium oxide (B) Calcium oxide (C) Cobalt oxide (D) Manganese oxide

Description : Which of the following oxides is not present in hematite iron ore? (A) Titanium oxide (B) Calcium oxide (C) Cobalt oxide (D) Manganese oxide

Last Answer : (C) Cobalt oxide

Iron ore may contain (A) Carbon (B) Silicon (C) Phosphorus and manganese (D) All the above

Description : Iron ore may contain (A) Carbon (B) Silicon (C) Phosphorus and manganese (D) All the above

Last Answer : Answer: Option D

The use of heat treatment of ore that includes smelting and roasting is termed as - (1) Electrometallurgy (2) Hydrometallurgy (3) Pyrometallurgy (4) Cryometallurgy

Description : The use of heat treatment of ore that includes smelting and roasting is termed as - (1) Electrometallurgy (2) Hydrometallurgy (3) Pyrometallurgy (4) Cryometallurgy

Last Answer : (3) Pyrometallurgy Explanation: Pyrometallurgy consists of the thermal treatment of minerals and metallurgical ores and concentrates to bring about physical and chemical transformations in the materials to enable ... in a blast furnace in order to fuse the desired metals into impure molten bullion.

Heating of a ore below its melting point in the absence of air is known as – (1) Refining (2) Calcination (3) Roasting (4) Smelting

Description : Heating of a ore below its melting point in the absence of air is known as – (1) Refining (2) Calcination (3) Roasting (4) Smelting

Last Answer : (2) Calcination Explanation: Calcination involves simple decomposition of ore on heating below its melting point usually in absence of air to produce new compounds having higher percentage of ... as removing the moisture, organic matter and volatile impurities. Calcination makes the ore porous.

The use of Heat treatment of ore that includes smelting and roasting is termed as–

Description : The use of Heat treatment of ore that includes smelting and roasting is termed as–

Last Answer : Pyrometallurgy

Uranium is recovered from its ore (pitchblende) by (A) Froth floatation technique (B) Leaching with sulphuric acid (C) Smelting in a furnace (D) Dissolving in water

Description : Uranium is recovered from its ore (pitchblende) by (A) Froth floatation technique (B) Leaching with sulphuric acid (C) Smelting in a furnace (D) Dissolving in water

Last Answer : (B) Leaching with sulphuric acid

Sulphur removal by heating of pyrite ore in presence of air is called its (A) Reduction (B) Roasting (C) Calcination (D) Smelting

Description : Sulphur removal by heating of pyrite ore in presence of air is called its (A) Reduction (B) Roasting (C) Calcination (D) Smelting

Last Answer : (B) Roasting

__________ is used as a flux in the smelting of copper ore like chalcopyrite. (A) Coke breeze (B) Lime powder (C) Silica/quartz (D) Dolomite

Description : __________ is used as a flux in the smelting of copper ore like chalcopyrite. (A) Coke breeze (B) Lime powder (C) Silica/quartz (D) Dolomite

Last Answer : (C) Silica/quartz

Flux addition during smelting of ore is done to (A) Remove impurities/gangue (B) Enhance rate of reaction (C) Accelerate reduction of ore (D) Separate slag from metal

Description : Flux addition during smelting of ore is done to (A) Remove impurities/gangue (B) Enhance rate of reaction (C) Accelerate reduction of ore (D) Separate slag from metal

Last Answer : (A) Remove impurities/gangue

Which of the following is an ore dressing operation? (A) Classification (B) Smelting (C) Roasting (D) None of these

Description : Which of the following is an ore dressing operation? (A) Classification (B) Smelting (C) Roasting (D) None of these

Last Answer : Option A

The use of heat treatment of ore that includes smelting and roasting is termed as : (1) Electrometallurgy (2) Hydrometallurgy (3) Pyrometallurgy (4) Cryometallurgy

Description : The use of heat treatment of ore that includes smelting and roasting is termed as : (1) Electrometallurgy (2) Hydrometallurgy (3) Pyrometallurgy (4) Cryometallurgy

Last Answer : Pyrometallurgy

Heating of a ore below its melting point in the absence of air is known as (1) Refining (2) Calcination (3) Roasting (4) Smelting

Description : Heating of a ore below its melting point in the absence of air is known as (1) Refining (2) Calcination (3) Roasting (4) Smelting

Last Answer : Calcination

Chemical composition of cement is – (1) Limestone and Clay (2) Limestone, Clay and Gypsum (3) Limestone and Gypsum (4) Clay and Gypsum

Description : Chemical composition of cement is – (1) Limestone and Clay (2) Limestone, Clay and Gypsum (3) Limestone and Gypsum (4) Clay and Gypsum

Last Answer : (2) Limestone, Clay and Gypsum Explanation: The two important raw materials used for the preparation of cement are : • Limestone : The chemical formula of limestone is CaCO3 and it is used in the manufacture of cement just to provide CaO.

Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Description : Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Last Answer : (1) Slaked lime Explanation: Mortar is a workable paste used to bind construction blocks together and fill the gaps between them. The blocks may be stone, brick, cinder blocks, etc. Mortar becomes hard ... Mortar can also be used to fix, or point, masonry when the original mortar has washed away.

Which is/ are the important raw materials in cement industry? (1) Limestone (2) Gypsum and Clay (3) Clay (4) Limestone and Clay

Description : Which is/ are the important raw materials in cement industry? (1) Limestone (2) Gypsum and Clay (3) Clay (4) Limestone and Clay

Last Answer : (4) Limestone and Clay Explanation: Limestone Claimed Clay Cement is a low-carbon alternative to the standard Portland cement. LC3 can reduce CO2 emissions related to cement manufacturing of cement by reducing the amount of clinker, replacing it with limestone and claimed clays.