Bauxite is an aluminium-rich ore used for the manufacture of aluminium (metallurgical bauxite) and refractory products, chemicals or cements. Bauxite is a prime important raw material for the primary aluminium industry. It is also used in a number of non-metallurgical sectors, like refractory, abrasive, cement, steel making and chemicals.
The metal which is obtained from both sea-water and ores from the earth's solid crust is : (A) Magnesium (B) Iron (C) Silver asked Oct 22, 2019 in Chemistry by KumarManish ( 57.6k points) metallurgy
Different kinds of ores are found in nature. The four primary types of ores are halide ores, carbonate ores, sulphide ores, and oxide ores. Bauxite is an oxide ore, and aluminium is extracted from it. Rock salt is a halide ore, limestone is a carbonate ore, and cinnabar is a sulphide ore. Sodium is extracted from rock salt, calcium from ...
Answer. No one rated this answer yet — why not be the first? 😎. pmisang193. report flag outlined. Answer: (i)aluminum=bauxite.Main ore of aluminium is bauxite whose chemical formula is Al2O (OH)4. (ii)iron=. Name. Formula wt % Fe.
boron group element. aluminum (Al), chemical element, a lightweight silvery white metal of main Group 13 (IIIa, or boron group) of the periodic table. Aluminum is the most abundant metallic element in Earth 's crust and the most widely used nonferrous metal. Because of its chemical activity, aluminum never occurs in the metallic form in ...
The rocky impurities present in an ore. Write the name and formula of two ores of the following: Aluminium. The following question refer to the extraction of aluminium and iron from their ores : Name the principle ore from which i. iron, and ii. Aluminium is extracted. The following question refer to the extraction of aluminium and iron from ...
Ore is a mineral that contains metal in considerable amounts so all ores are minerals but all minerals are not ores. > The chief ore of copper is: Copper pyrite (${text{CuFe}}{{text{S}}_{text{2}}}$) is the chief ore of copper. It contains 2 - 3 % of copper and rest is impurities like silica, iron sulphide, etc.
(a) Name a metal which is found abundantly in the Earth's crust. (b) What is the difference between calcination and roasting? (c) Name the process used for the enrichment of sulphide ore. (d) Write the chemical formula of one main ore of iron and aluminium. (e) Write the constituents of the electrolyte for the extraction of aluminium. Answer
Among the following ores Bauxite, Siderite, Cuprite, Calamine, Haematite, Kaolinite, Malachite, Magnetite, Sphalerite, Limonite, Cryolite, the number of principal ores of iron is ______. View Solution. Q 4. Name a few ores of metals like iron, copper and zinc . Find out the location of richest reserves of the metal ores in India .
Aluminum (Al) Ore. Aluminum ore, also known as bauxite, is a naturally occurring mineral rock that contains aluminum in the form of aluminum oxide (Al2O3) mixed with various impurities. Bauxite is the primary source of aluminum, which is one of the most abundant elements in the Earth's crust, comprising about 8% by weight.
Give the chemical names and formulae of the main ores of (i) aluminium, (ii) iron and (iii) zinc. Name the constituents of: Duralumin. For substance listed below, explain its significance in the extraction of aluminium. Cryolite. Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis.
Frank Solutions for Chapter 7 Metallurgy Class 10 Chemistry ICSE. 1. Name the following: (i) Two metals which are found in the free or native state. (ii) The mixture of materials fed into a furnace to …
Main ore of iron ----> Haematite - Fe2O3. Main ore of aluminium ----> Bauxite - AI2O3-2H2O. Ask Doubt on App. Login. Login. ... Write name and chemical formula of main ores of Iron and Copper. View Solution. Write one ore of aluminium with formula. ... Write the name and formula of an ore of aluminium.
The Hall-Heroult process is predominantly used in the extraction of aluminium. In this process, pure Al 2 O 3 is mixed with CaF 2 or Na 3 AlF 6 . This lowers the melting point of the mixture and increases its ability to conduct electricity. A steel vessel with a lining of carbon and graphite rods is used.
The purpose of a Blast Furnace is to reduce the concentrated ore chemically to its liquid metal state. A blast furnace is a gigantic, steel stack lined with refractory brick where the concentrated iron ore, coke, and …
The ore is Magnetite, chemical name is the magnetic iron oxide, the chemical formula is Fe 3 O 4, It is a black ore having magnetic properties, Iron is from 45-70 %, place of deposits is Eastern desert.. …
Fe 2 O 3 is the chief iron ore used in production of iron metal. FeO is nonstoichiometric. Magnetite is the most magnetic of all the naturally occurring minerals on Earth. Naturally magnetized pieces of magnetite, called lodestone, will attract small pieces of iron. We'll see evidence below that Fe 3 O 4 is not simply a mixture of FeO and Fe 2 …
Elements or compounds which occur naturally in earth's crust is called Minerals. Those minerals which contain a very high percentage of a particular metal from which metal can be profitably extracted is called ores. These may or may not contain metals. These definitely contain metals. All minerals are not ores.
Question 14: The basic materials needed for production of iron in the blast furnace are lime stone, coke and air in addition to the iron ore. (i) (a) Name one iron ore and write its formula. (b) Hot air is blown in, at the base of the furnace; where' it reacts with coke. Give the equation for the reaction that takes place.
At a site, low grade copper ores are avilable and Zinc and iron scraps are also avilable . Which of the two scraps would be more suitable for reducing asked Jul 22, 2020 in Chemistry by PoojaBhatt ( 101k points)
2 ' UCLES 2015 0620/32/F/M/15 1 For each of the following, give the name of an element from Period 3 (sodium to argon), which matches the description. (a) an element which is gaseous at room temperature and pressure [1] (b) an element that is added to water to kill bacteria [1] (c) an element that forms a basic oxide of the type XO [1] (d) an element …
The main ore of iron is haematite (Fe(2)O(3)) while that of aluminium is bauxite (Al(2)O(3).2H(2)O). Ask Doubt on App. ... Write chemical formula of ore of zinc. View Solution. ... Name metal whose foils are used for the packing of food materials.
Ore is the rock from which the metal is extracted in a convenient and economical way. Ore has a composition that is definite. Metals that occur naturally in the earth's crust are called minerals. Minerals that can profitably be used to get the metal are called ores. Q2.
hematite group. hematite, heavy and relatively hard oxide mineral, ferric oxide (Fe 2 O 3 ), that constitutes the most important iron ore because of its high iron content (70 percent) and its abundance. Its name is derived from the Greek word for "blood," in allusion to its red colour. Many of the various forms of hematite have separate names.
Q. (i) Name the most common ore of the metal aluminium from which the metal is extracted. Write the chemical formula of the ore. (ii) Name the process by which impure ore of aluminium gets purified by using concentrated solution of an alkali. (iii) Write the equation for the formation of aluminium at the cathode during the electrolysis of alumina.
The most important aluminum ore, an iron-containing rock consisting of about 52 percent aluminum oxide, was discovered in 1821 near Les Baux in southern. Aluminum processing - Ores, Refining, Alloying: Aluminum is the third most abundant element on Earth's surface. Only oxygen and silicon are more common. Earth's crust to a depth of …
(a) Name the method by which aluminium metal is extracted. (b) Give the name and chemical formula of one ore of copper. (c) How is zinc extracted from its carbonate ore (calamine) ? Explain with equations.
Maths. ₹ 38,500 (9% Off) ₹ 35,000 per year. Select and buy. Give some important ores of aluminium, iron, copper and zinc.. Ans: Hint: Naturally occurring rocks or sediments which contain economically important minerals can be termed as oreplete solution: An ore can be defined as a naturally occurring min...
Bauxite is a sedimentary rock mineral that is the primary source of aluminum. It is formed through the weathering of aluminum-rich rocks in tropical and subtropical regions. The name bauxite is derived from the French village of Les Baux, where it was first discovered in 1821 by geologist Pierre Berthier. Bauxite is typically found in layers …
iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a relatively dense metal with a silvery white appearance and distinctive magnetic properties.
Metal : Common name: Chemical Name: Formula: 1. Aluminium: Bauxite Corrundum: Hydrated aluminium oxide aluminium oxide: Al 2 O 3, H 2 O Al 2 O 3: 2.Zinc: Zice blende Calamine: zinc sulphide zinc carbonate: ZnS znCo 3: 3. Iron: Haematite Iron phrites: Iron (III) oxide Iron suphite: Fe 2 O 3 FeS 2
Give the common name, chemical name and formulas of an ore of a) zinc, b) aluminium and c) iron. Metal Common name Formula. Zinc Zinc blende ZnS. Aluminium Bauxite Al2O3.2H2O. Iron Haematite Fe2O3. is the answer. Advertisement Advertisement raichal1897 raichal1897 Explanation:
Give some important ores of Aluminum, Iron, Copper and Zinc ? Easy. Open in App. ... Mention names and chemical formulae of two ores of aluminum. Medium. View solution > State why aluminium is extracted from its oxide by electrolysis while copper, lead and iron by reducing agents and mercury and silver by thermal decomposition.
Aluminium is the most abundant metallic element but iron has played a much greater role in human history and is an essential part of everybody, literally! Iron is one of 94 naturally occurring ...
Hematite is the world's most important ore of iron. Although magnetite contains a higher percentage of iron and is easier to process, hematite is the leading ore because it is more abundant and present in deposits in many parts of the world. Hematite is mined in some of the largest mines in the world.
Q. Write the names and chemical formulae of any one ore of iron and zinc each. Q. Give some important ores of Aluminum, Iron, Copper and Zinc ? Q. Give the name and formula of an ore of zinc. (a) Roasting of the ore. (b) Reduction of the zinc compound which is the product of the above reaction. (c) What in addition to a zinc compound, is …
Manganese is a chemical element with the symbol Mn and atomic number 25. It is a hard, brittle, silvery-gray metal that is commonly found in the Earth's crust. Manganese is an essential trace element that plays a crucial role in many biological processes, including metabolism, bone formation, and antioxidant function. It is also …
(b) Give the name of one ore of iron. Which iron compound is present in this ore? Write its chemical formula. (c) Describe the extraction of zinc metal from its sulphide ore (zinc blende). Write an equation of the reactions involved. (d) Explain why, the galvanised iron article is protected against rusting even if the zinc layer is broken.
The ores can be classified according to the metal present in it. The chief ore of Iron is Hematite. The chief ore of Iron is formed by its oxide. Formula of chief Iron Ore. Hematite is the chief ore of Iron and higher content of Iron is present in such ore. It contains about 70% of Iron in it. The chemical formula of Hematite is Fe 3 O 4 or ...
