limestone ore answer

The Extraction of Iron - Chemistry LibreTexts

Iron ore is not pure iron oxide - it also contains an assortment of rocky material that would not melt at the temperature of the furnace, and would eventually clog it up. The limestone is added to convert this into slag which melts and runs to the bottom. The heat of the furnace decomposes the limestone …

Read More

unit 6 - rocks and minerals Flashcards | Quizlet

unit 6 - rocks and minerals. STUDY. PLAY. halite. What is Rock Salt? Rock Salt is a chemical sedimentary rock that forms from the evaporation of ocean or saline lake waters. It is also known by the mineral name "halite". It is rarely found at Earth's surface, except in areas of very arid climate. ... Iron Ore Limestone Rock Salt Sandstone Shale ...

Read More

Why is limestone used to make cement? | AnswersDrive

To make Portland cement—the most common type of cement—powdered limestone is heated in a rotary kiln. As a source of calcium, it joins with powdered clay to produce a product called clinker, which is then ground with a source of sulfate, like gypsum. It is mixed with …

Read More

Is limestone an acid or a base? | Study.com

Answer to: Is limestone an acid or a base? By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can also...

Read More

What Are the Uses of Limestone? | Reference.com

Limestone's most common use is as a crushed construction material, serving as a base for roads and ballast in railroads, but it also combines with crushed shale in a kiln to make cement and serves as an aggregate material in concrete. Limestone's usefulness stems from its strength and density.

Read More

What is the purpose of limestone in a blast furnace? - Quora

Nov 13, 2017· 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...

Read More

What is crystalline limestone? | AnswersDrive

Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO3) in the form of the mineral calcite. It most commonly forms in clear, warm, shallow marine waters. It is usually an organic sedimentary rock that forms from the accumulation of shell, coral, algal, and fecal debris.

Read More

limestone mining objective question-[mining plant]

The Mining and Allied Machinery Cor­poration, Durgapur ... raw materials such as iron ore, coal ar limestone. ... Question Papers . ... Limestone Mountain, and to answer a few questions... blue "Go" button beside your quest objective... He will ask you to deliver a Mine...

Read More

Blast furnace | metallurgy | Britannica.com

Basically, the blast furnace is a countercurrent heat and oxygen exchanger in which rising combustion gas loses most of its heat on the… The stack is kept full with alternating layers of coke, ore, and limestone admitted at the top during continuous operation. Coke is ignited at the bottom and ...

Read More

Which rocks are examples of clastic sedimentary rock ...

Shale and sandstone are examples of clastic sedimentary rock .. Clastic sedimentary rocks are rocks that are formed when pre-existing rocks are broken down into sand, pebble or clay particles by weathering processes due exposure of the rocks to wind, water and ice.

Read More

(Answered) Limestone is added to the iron producing ...

May 07, 2016· Limestone is added to the iron producing mixture in a furnace to A) add carbon to the mixture. B) provide an additional reducing agent to extract all of the iron from the ore. C) combine with silicates to remove impurities in the form of a slag. D) produce a more corrosion resistant iron.

Read More

Why does limestone react with hydrochloric acid ...

Limestone reacts with hydrochloric acid to release bubbles of carbon dioxide gas. If the acid fizzes on your sample, your rock is limestone. ... What metal is often extracted and purified from its ore using both smelting and electrolysis? ... Rate This Answer. why-does-limestone-react-with-hydrochloric-acid-1698656 5 / 5 based on 1 vote.

Read More

Answers - Royal Society of Chemistry

– Answers Answer 2 reactant purpose iron ore limestone to keep coke burning burns to produce heat and reducing agent hot air coke remove impurities as slag contains iron oxide which is reduced to iron remove impurities as slag contains iron oxide which is reduced to iron C O 2 /N 2 burns to produce heat and reducing agent

Read More

How Is Limestone extracted? | Yahoo Answers

Sep 28, 2007· Best Answer: It is either quarried from an open pit quarry or mined from an underground mine. One of the most common dimensional limestones used in the United States for building stone and veneer is Indiana Limestone. This is most commonly quarried from open pits. Here are some pictures of …

Read More

is limestone an ore - mine-equipments.com

Is limestone used for smelting iron ore and making cement 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 ...

Read More

Limestone: Rock Uses, Formation, Composition, Pictures

What is Limestone? Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO 3) in the form of the mineral calcite.It most commonly forms in clear, warm, shallow marine waters. It is usually an organic sedimentary rock that forms from the accumulation of …

Read More

Why limestone is used in the blast furnace - answers.com

Answers.com is the place to go to get the answers you need and to ask the questions you want ... Feed of ore, limestone, and coke 7. Exhaust gases 8. Column of ore, coke and limestone 9. Removal ...

Read More

Limestone Coffee Company, Medford - Restaurant Reviews ...

Mar 28, 2018· Limestone Coffee Company, Medford: See 24 unbiased reviews of Limestone Coffee Company, rated 4 of 5 on TripAdvisor and ranked #83 of 296 restaurants in Medford.

Read More

unit 6 - rocks and minerals Flashcards | Quizlet

unit 6 - rocks and minerals. STUDY. Flashcards. Learn. Write. Spell. Test. PLAY. Match. Gravity. Created by. angelskye. Terms in this set (40) halite. What is Rock Salt? Rock Salt is a chemical sedimentary rock that forms from the evaporation of ocean or saline lake waters. It is also known by the mineral name "halite". ... Iron Ore Limestone ...

Read More

Limestone uses — Science Learning Hub

Sep 25, 2012· In the steel production process carried out at the Glenbrook plant south of Auckland, large amounts of limestone and lime are needed to remove impurities during the iron ore reduction phase and the steel production phase. The Ōtorohanga region supplies these much-needed ingredients.

Read More

yahoo how is a limestone pavement formed - BINQ Mining

> Ore Process > yahoo how is a limestone pavement formed; Print. yahoo how is a limestone pavement formed. Posted at:November 30, 2012[ ... Can someone please tell me how a limestone … Dec 14, 2009 · Best Answer: Try the search term KARST – that will …

Read More

48 in. x 12 in. x 2 in. Limestone Stair Tread - The Home Depot

This 48 in. x 12 in. x 2 in. Limestone Stair Tread is more durable than wood. Great for your stairway applications and meets ASTM C 90 guidelines. It is manufactured to be free of chips and breaks. ...

Read More

How Is Limestone extracted? | Yahoo Answers

Sep 29, 2007· Best Answer: It is either quarried from an open pit quarry or mined from an underground mine. One of the most common dimensional limestones used in the United States for building stone and veneer is Indiana Limestone. This is most commonly quarried from open pits. Here are some pictures of …

Read More

What is NOT an example of an ore? A. hematite B. limestone ...

May 18, 2014· User: What is NOT an example of an ore? A. hematite B. limestone C. magnetite D. chalcopyrite Weegy: B. Limestone is not an example of an ore. andrewpallarca|Points 36713| User: The red color in the ore hematite is caused by the presence of what metal? A. iron B. sulfate C. copper D. aluminum Weegy: The red color in the ore hematite is caused by the presence of A. iron.

Read More

What is NOT an example of an ore? A. hematite B. limestone ...

What is NOT an example of an ore? A. hematite B. limestone C. magnetite D. chalcopyrite Get the answers you need, now!

Read More

Envir 130 Ch 23 Flashcards | Quizlet

A) it costs more than 10 times as much to produce items from recycled aluminum than from ore B) the U.S. failure to recycle aluminum has caused energy to be lost in mining new ore C) it requires over 20 times more energy to mine and extract aluminum from bauxite ore than from recycled materials

Read More

Chemistry/Analysis of Limestone - WikiEducator

ANALYSIS OF LIMESTONE INTRODUCTION. Limestone is usually described as rock made from calcium carbonate, CaCO 3, but in fact most limestone rock contains significant amounts of magnesium, silicates, manganese, iron, titanium, aluminum, sodium, potassium, sulphur (as sulphides or sulphates) and phosphorus.In this experiment, you will analyze a sample of limestone to find how much calcium …

Read More

Multiple Choice Questions and Answers on Minerals and ...

ADVERTISEMENTS: Multiple Choice Questions and Answers on Minerals and Energy Resources Related posts: Multiple Choice Questions and Answers on Manufacturing Industries Short Essay on Minerals and Energy Resources 28 Multiple Choice Questions (MCQ) and Answers on Water Resources of India 50 multiple choice questions with answers

Read More

how limestone is extracted - BINQ Mining

How is limestone extracted from the ground. Answer == Limestone is usually blasted with dynamite in open pit mines and hauled by … limestone is extracted in a …

Read More

Limestone - Wikipedia

Limestone is a carbonate sedimentary rock that is often composed of the skeletal fragments of marine organisms such as coral, foraminifera, and molluscs.Its major materials are the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO 3).A closely related rock is dolomite, which contains a high percentage of the mineral dolomite, CaMg(CO 3) 2.

Read More