Give the i common name ii chemical formula and iii chemical name of two ores from MANAGEMENT 00233 at Government College University Faisalabad
Hematite It is a metallic mineral and an iron oxide. Its formula is Fe 2 O 3. It is used to extract iron and is one of the many iron ores. Other iron ores are magnetite, limonite and siderite. Gold Gold is also a metallic mineral which is generally found in its elemental form i.e. not in a compound or as an alloy with mercury or silver ...
Mar 11, 2020 Write the name and formula of the ores of iron. Answer Question 33. Define periodicity. Answer The electronic configurations of elements help us to explain the periodic recurrence of physical and chemical properties. Anything which repeats itself after a regular interval is called periodic and this behaviour is called periodicity. Question 34.
May 20, 2013 and iron from their ores. a i Name the main ore used as the source of iron. 1 ... Complete the table by giving the common name for calcium silicate. 1 Formula of compound Chemical name Common name CaO calcium oxide quicklime ... Give the letters of two adjacent members of the same homologous series
in a huge container called a blast furnace. Iron ores such as haematite contain ironIII oxide, Fe 2 O 3.The oxygen must be removed from the ironIII oxide in order to leave the iron behind.
Feb 06, 2018 Give the common name, chemical name and formulas of an ore of a zinc, b aluminium and c iron. Asked by Topperlearning User 6th Feb, 2018, 0348 PM Expert Answer
May 03, 2019 Iron ores must contain enough iron to 1 ii Some iron ores contain iron oxide Fe2O3. Complete and balance the equation for a reaction to produce iron from iron oxide. ... Give two reasons why iron produced in a blast furnace is converted into steel. ... The formula of ironII sulfate is FeSO4 ...
An ore is a naturally occurring material containing a metal in sufficient concentration to make extraction profitable. ... Give names and formulas for each of the following Caustic soda Soda ash. Caustic soda is also called sodium hydroxide - NaOH ... 2. solid iron instead of liquid iron. Describe the basic oxygen process for iron refining ...
Iron ore is a mineral substance which, when heated in the presence of a reductant, will yield metallic iron Fe. It almost always consists of iron oxides, the primary forms of which are magnetite Fe3O4 and hematite Fe2O3. Iron ore is the source of primary iron for the worlds iron and steel industries.
Dec 26, 2019 Click hereto get an answer to your question Write the names of any two ores of iron. 12th. Chemistry. General Principles and Processes of Isolation of Elements. Thermodynamic Principles of Metallurgy. Write the names of any two ... chemistry. Asked on December 26, 2019 by Joanna Bona. Write the names of any two ores of iron.
in a huge container called a blast furnace. Iron ores such as haematite contain ironIII oxide, Fe 2 O 3. The oxygen must be removed from the ironIII oxide in order to leave the iron behind.
Sep 29, 2016 Sometimes hematite is slightly magnetic. The pure mineral contains iron, 70, oxygen, 30. As mined, iron ores are more or less mixed with rock gangue, which lessens the percentage of iron an ore is considered rich if it carries 60 of iron, and the average per cent of iron in the ores, as fed into the furnaces is not much above 50.
For example, the tin ore, tin stone SnO2 itself is non-magnetic but contains magnetic impurities such as iron tungstate FeWO4 and manganese tungstate MnWO4 . Ore Non-magetic wheel Magnetic wheel Non-magnetic gangue Magnetic ore Fig. 18.4. Magnetic Separation The finely powdered ore is passed over a conveyer belt moving over two rollers, one
Feb 22, 2015 Name the chief ore of iron. Give its formula Share with your friends. Share 3. HEMATITE Hematite is an oxide of iron in its raw or natural form. Its a mineral, and its ironIII oxide. Its formula is Fe2O3. Hematite is Fe2O3. 5 View Full Answer About Us Blog Terms amp Conditions ...
Oct 01, 2019 53.a Give two methods to prevent the rusting of iron. b Name the ores of the following metals i mercury, and ii zinc c Explain with the help of a diagram, how copper metal can be refined Label the important arrangements in the experimental set up. Answer. ai Painting ii Galvanisation bi Cinnabar ii Zinc Blende
i The major ore of aluminium is impure aluminium oxide. What is the name of this ore..... 1 ii This ore is a mixture of aluminium oxide, which is amphoteric, and ironIII oxide which is basic. Explain how these two oxides can be separated by the addition of aqueous sodium hydroxide.
i Name one major ore of aluminium and give its formula ii Name two main impurities found in the ore iiiAluminium oxide is heated first before it is electrolysed. Explain. Date posted November 1, 2019. Answers 1 The flow chart below shows steps used in the extraction of zinc from one of its ores
2.For a two element ionic compound, the naming is simple. The first part of the name is the name of the metal element. The second part is the name of the nonmetal element, with the suffix -ide. 3.Recognize transition metals. Metals in the D and F blocks of the periodic table are known as transition metals.
Feb 11, 2014 0620 s06 qp3. 1. Name ap eP m e tr .X w Candidate Number w w Centre Number 062003 CHEMISTRY Paper 3 MayJune 2006 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required.
A Minnesota Supreme Court decision in 1936 established the present worth of future profits method for valuing the iron ore reserves. This is accomplished through the use of a complex formula known as the Hoskold Formula. The formula takes into account ore prices and all the various cost factors in determining the value of the unmined ore.
Oct 02, 2020 It is in fact the 4th most used metal, the others being iron, aluminium and copper. Zinc is also an essential nutrient, vital for many important functions including immune system health, wound ...
Sep 18, 2020 Give two examples each of the metals that are good conductors and poor conductors of heat respectively. Answer a Good conductors Ag and Cu b Poor conductors Pb and Hg. Question 3. Name one metal and one metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K 37 C. Answer Metal ...
Instead, they exist combined with other elements as compounds called ores. Ores are raw materials for making metals. Minerals are those in which individual crystals are composed of unit cells or basic unit layers of two or more types. Minerals are inorganic catalysts that function as regulators of metabolic activities in the body.
This is even harder than pig iron. Wrought Iron Malleable Iron. Wrought iron is the purest form of iron available commercially available and is prepared from cast iron by heating cast iron in a furnace lined with Haematite Fe 2 O 3. The Haematite reacts with Carbon in the cast iron to give pure iron and carbon monoxide gas which escapes.
Iron oxide ore is mined in many parts of the world. Examples of rich or high quality ores are haematite, mainly ironIII oxide, formula Fe 2 O 3 and magnetite, triiron tetroxide, formula Fe 3 O 4. A solid mixture of magnetitehaematite ore, coke and limestone
Feb 26, 2015 Najjma answered this. Fe 2 O 3 - hematite. Was this answer helpful 9. View Full Answer. Santosh Sah, added an answer, on 151215. Santosh Sah answered this. Haematite Fe2O3 Magnetite Fe3O4
Tin ores were smelted together with copper ores in order to produce ... Write the formula or name of the compounds in questions 11 to 16. 6 marks 22. sodium sulfide ... What two important pieces of information do these names give about a compound 3 marks Final Review Package questions and answers.pdf. Final Review Package questions and ...
Oct 15, 2019 ii Molecular formula of a compound is C 6 H 18 O 3. Find its empirical formula. Answer Molecular formula C 6 H 18 O 3 Take the common multiple Molecular formula C 2 H 6 0 3 Molecular formula Empirical formula Thus, empirical formula C 2 H 6 O f i Give the IUPAC name of the following organic compounds 5 1. 2. Answer 1 ...
Description Name and describe the method used for coating large and irregularly shaped articles for prevention of corrosion. Answer Metal spraying is the method used for coating large and irregularly shaped articles for prevention of corrosion. Diagram Process- In this method ,coating metal sprayed on the surface of ... .
3 rows Give the Chemical Names and Formulae of the Main Ores of I Aluminium, Ii Iron and Iii ...
Iron is the cheapest and one of the most abundant of all metals, comprising nearly 5.6 of the earths crust and nearly all of the earths core. Iron is primarily obtained from the minerals hematite Fe 2 O 3 and magnetite Fe 3 O 4 . The minerals taconite, limonite FeO OH nH 2 O and siderite FeCO 3 are other important sources.
Jul 16, 2020 Give the chemical name and formula of the main ores ialuminumiiiron - 19614191 ariyanmallick101 ariyanmallick101 ... iron Name. Formula wt Fe ... examples of situations in which people try to take advantage of either reduced or increased amount of friction between two surfaces, WHAT IS XES ...
Jan 02, 2019 4. Iron ore is the most common element in the world and makes up close to 5 of the Earths crust. This makes it one of the most abundant rock elements. 5. Aluminium is one of the most common elements in the Earths crust and is found in a variety of silicate ores
Dec 21, 2016 Ores are those minerals from which metals are extracted commercially and economically. Like Bauxite Al 2 O 3 2H 2 O is the ore of Aluminium which contains 50 to 70 of Aluminium Oxide.
Apr 26, 2018 Ores are naturally occurring rocks that contain metal or metal compounds in sufficient amounts to make it worthwhile extracting them. For example, iron ore is used to make iron and steel. Here, we providing a List of some Important metals and their ores. it is mainly useful for your upcoming competitive exams like SSC, UPSC etc.