limestone ore answer

ICSE Solutions for Class 10 Geography

 · Answer: (i) Availability of iron ore, manganese, coal, limestone in close nearness since transportation of these bulky material would require a lot of money. (ii) Iron and Steel industry is a labour intensive industry.

In a blast furnace why are the coke and limestone needed ...

 · Iron ore is not normally smelted, instead it is reduced in a blast furnace with a mixture of coke & limestone. The coke burns removing the oxygen from the iron ore …

[Solved] Function of limestone in the manufacturer of iron ...

Gangue is the commercially worthless material that surrounds or is closely mixed with, a wanted mineral in an ore deposit. An example of gangue is the rock surrounding a deposit of gold. Explanation: The main function of limestone in the extraction of iron from haematite is as a flux.

sedimentology

The building material comes from minerals dissolved in the ocean, mainly $mat{Ca}^{2+}$, $mat{Mg}^{2+}$, and $mat{HCO}_3^{–}$, but of course there are all sorts of biochemical details.Most limestone originated as the skeletons of micro- and macro-organisms, such as plankton and coral.. The minerals come in turn from the erosion of older rocks (among other places).

[Solved] Limestone is an example of which of the following ...

The correct answer is Sedimentary rock. Limestone is a type of sedimentary rock.; It is a type of carbonate sedimentary rock.; Mineral calcite and aragonite from limestone.; Mineral calcite and aragonite are different crystal forms of calcium carbonate.; When these minerals precipitate out of water containing dissolved calcium, then limestone is formed. ...

225 questions with answers in CALCIUM CARBONATE | Science ...

 · Calcium Carbonate is a carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as …

MCQ Questions for Class 10 Social Science Manufacturing ...

 · Free PDF Download of CBSE Class 10 Social Science Geography Chapter 6 Manufacturing Industries Multiple Choice Questions with Answers. MCQ Questions for Class 10 Social Science with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Social Science Manufacturing Industries Multiple Choice Questions with Answers to know their …

Consider an iron blast furnace charged with iron ore ...

For every ton of pig iron produced, 1750 kg of iron ore and 500 kg of limestone are used and 4200m3 of flue gas is produced.The rational analysis of flue gases gives 58% N2, 26% CO, 12% CO2, and 4% H2O.

62 questions with answers in ECONOMIC GEOLOGY | Science topic

 · 6- As the ray passes back up toward the receiver, more geometric spreading, attenuation, and transmission losses occur. 7- The amplitude measured by the receiver array is a function of the ...

MCQ Questions for Class 8 Geography Chapter 3 Mineral and ...

 · Check the below NCERT MCQ Questions for Class 8 Geography Chapter 3 Mineral and Power Resource with Answers Pdf free download. MCQ Questions for Class 8 Social Science with Answers were prepared based on the latest exam pattern. We have Provided Mineral and Power Resource Class 8 Geography MCQs Questions with Answers to help students understand the …

Blast furnace

A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. Blast refers to the combustion air being "forced" or supplied above atmospheric pressure.. In a blast furnace, fuel (), ores, and flux are continuously supplied through the top of the furnace, while a hot blast of air (sometimes with ...

Which of the following is the power resource mineral?

 · Find Answer to MCQ Which of the following is the power resource mineral? - (a) Coal - (b) Iron ore - (c) Limestone - (d) Minerals in Pakistan - Mineral Resources of Pakistan MCQs - …

Limestone | Types, Properties, Composition, Formation, Uses

Lithographic limestone is a type of limestone that contains fossils. Powered limestone is used in coal mines as a safety precaution because it absorbs pollutants. It can also be used on roofs to prevent or reduce weather or heat related roof damage. Its turns into the metamorphic rock marble when subjected to high amounts of pressure and heat.

MCQ Questions for Class 10 Geography Chapter 6 ...

 · The industry which requires bulky and heavy raw materials like limestone, silica, alumina and gypsum is: (а) Iron and steel industry (b) Aluminium industry (c) Cement industry (d) All the above. Answer. Answer: (c) Cement industry The cement industry requires all the above raw materials.

Solved: 1) Consider An Iron Blast Furnace Charged With Iro ...

Expert Answer . Previous question Next question Transcribed Image Text from this Question. 1) Consider an iron blast furnace charged with iron ore, limestone (CaCO3) and coke. The weight analyses of the charge is as follows: Caco, Ore | 80% 12% 4% 10% 1% 3% 4% 1% Limestone 95% Coke 90% The ultimate weight analysis of the pig iron gives 93.8% Fe ...

Class 8 Geography Chapter 3 Extra Questions and Answers ...

 · Answer: 1. This picture shows shore drilling of oil. 2. Deep wells bored to take petroleum and natural gas out is called drilling. Map Skills Class 8 Geography Chapter 3 Mineral and Power Resources. Question 1. On an outline Map of the World mark the following: (i) Countries of Asia with large iron deposits.

Where Is Limestone Found?

Limestone is a stunningly beautiful natural stone that has strength, durability, longevity, and diverse uses. It''s one of the most commonly used natural rocks on the planet. While you might think of limestone as a countertop or flooring material, it is also crushed down for construction purposes and used in cement and other materials.

Mass, Weight, Density or Specific Gravity of Bulk Materials

94. 1506. Hematite ( iron ore ) 318-325. 5095 - 5205. Hemimorphite ( zinc ore ) 212-218. 3395 - 3490. Hydrochloric acid 40%.

What is the purpose of limestone in a blast furnace?

limestone is used to remove impurities in the furnace and the main impurity of the blast furnace is silica (sand and rock) which is silicon dioxide. silicon dioxide is a solid at furnace temperatures so it reacts with calcium oxide from the decomp...

MCQ Questions for Class 10 Geography Chapter 6 ...

 · (a) Proximity to iron-ore mines (b) Availability of coking coal (c) Good resources of limestone and manganese (d) Nearness to a water body to discharge wastes. Answer. Answer: (d) Nearness to a water body to discharge wastes

MCQs for Chapter 3 "Mineral and Power Resources" Class 8 ...

 · B) Limestone C) Gypsum D) Petroleum . Q29- _____ produces more than half of the world''s tin. A) Africa B) Asia C) Antarctica D) Europe . Q30- _____ can be found in the Appalachian region of Canada. A) Silver B) Coal C) Diesel D) Chromium. Answer key for Class 8 Geography Resources and Development book Chapter 3 – Mineral and Power Resources

GCSE CHEMISTRY

Extraction of Metals. Extraction of Iron.. Chemistry of the blast furnace ().. Limestone is calcium carbonate (CaCO 3) and it is added to the blast furnace to remove the impurities in the iron ore. Calcium carbonate is decomposed by heat in the furnace to give calcium oxide and carbon dioxide. This is called thermal decomposition (see examples of other carbonates). ...

Which rock is an example of an organic sedimentary rock? O ...

 · Correct answer - Which rock is an example of an organic sedimentary rock? O iron ore O rock salt O limestone O sandstone

Limestone | RuneScape Wiki | Fandom

Limestone is a raw material used in Crafting and Divination, as well as in quests. It can either be mined, or purchased from Razmire Keelgan''s builders store in Mort''ton for 10 coins. Limestone can be crafted into limestone bricks with 12 Crafting (giving 6 Crafting experience) when used with a chisel, although it may accidentally become a rock. The chance of failure drops with Crafting level ...

MCQ Questions for Class 8 Geography Chapter 3 Mineral and ...

 · Mineral and Power Resources Class 8 MCQs Questions with Answers. Appearing Students of Class 8 Exams can download MCQ on Mineral and Power Resources Class 8 with Answers from here. By practicing Class 8 Geography Chapter 3 MCQ with Answers, you can score well in …

Why are carbon and limestone mixed with the iron ore ...

 · Carbon reacts with the iron ore in stages of the Blast Furnace to produce pure Iron and Carbon dioxide. It also acts as a fuel for the blast furnace. Limestone is added as a flux in the process which combines with the impurities like sulphur in the ore and removes them as slag which floats above the molten pure iron

ICSE Solutions for Class 10 Geography

 · Question 29: Name one area in Orissa and one area in Chattisgarh where iron ore is mined. Answer: Iron ore mined in Orissa: In Keonjhar. Iron ore is mined in Chhattisgarh: In-Durg district. Question 30: Name the mineral used in the manufacture of: (i) Cement (ii) Aluminium (iii) Synthetics. Answer: (i) Cement: Limestone (ii) Aluminium: Bauxite

308 Permanent Redirect

 · Iron ore thus contains between 72.4% iron (which is like Brazil''s Vale amazingly pure ore) and less depending on how much dirt is mixed in. A blast furnace uses a mixture of iron ore, coal / coke depending on the purity of the ore, and limestone to react with the dirt to …

How do you extract iron from rock ore? – AnswersToAll

 · Iron is extracted from its ore, haematite in a blast furnace. The ore is led into the top of the furnace along with coke and limestone. The limestone decomposes in the hot furnace, forming calcium oxide. This reacts with the sandy impurities (silicon dioxide) to form a slag.

Limestone

The correct answer is Gangue. The overall process used for the isolation of the metal from its ores is known as metallurgy.; The mineral from which element can be extracted easily and profitably is called an ore.; The unwanted earthy impurities like sand, limestone, rocky material present in the ore are called gangue.; Gangue is simply the impurities present in the ore.

Classification of Sedimentary Rocks

Organic Limestone: Richly fossiliferous: Iron Minerals Chiefly: Limonite, Siderite, Goethite, Chamosite, Hematite: Hematite Oolite: > 50% oolitic Limonite Oolite: > 50% oolitic Oolitic Iron Ore: < 50% oolitic Siderite (Iron carbonate): chiefly siderite, crystalline: Limonitic or Hematitic (Ferruginous) Limestone, Etc.

The unwanted earthy impurities like sand, limestone, rocky ...

The correct answer is Gangue. The overall process used for the isolation of the metal from its ores is known as metallurgy.; The mineral from which element can be extracted easily and profitably is called an ore.; The unwanted earthy impurities like sand, limestone, rocky material present in the ore are called gangue.; Gangue is simply the impurities present in the ore.

Limestone: Rock Uses, Formation, Composition, Pictures

Limestone is a sedimentary rock composed primarily of calcite, a calcium carbonate mineral with a chemical composition of CaCO 3. It usually forms in clear, calm, warm, shallow marine waters. Limestone is usually a biological sedimentary rock, forming from the accumulation of shell, coral, algal, fecal, and other organic debris.

Engineering Materials MCQ Questions & Answers | Mechanical ...

C. Calcined ore (1 part), coke (8 parts) and limestone (4 parts) D. Calcined ore, coke and limestone all in equal parts Answer & Solution Discuss in Board Save for Later

What is the role of limestone during the extraction of ...

During the extraction of iron from haematite ore, limestone acts as a flux. Limestone decomposes froming CaO which reacts with silica forming slag. C a C O 3 …

MCQ Questions for Class 10 Social Science Minerals and ...

 · Free PDF Download of CBSE Class 10 Social Science Geography Chapter 5 Minerals and Energy Resources Multiple Choice Questions with Answers. MCQ Questions for Class 10 Social Science with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Social Science Minerals and Energy Resources Multiple Choice Questions with Answers to know their …

Where Is Limestone Found?

Limestone is a stunningly beautiful natural stone that has strength, durability, longevity, and diverse uses. It''s one of the most commonly used natural rocks on the planet. While you might think of limestone as a countertop or flooring material, it is also crushed …

Mineral Resources

Mineral Resources. Almost all Earth materials are used by humans for something. We require metals for making machines, sands and gravels for making roads and buildings, sand for making computer chips, limestone and gypsum for making concrete, clays …