Why are sulphide ores converted to oxide before reduction?

Q: What is the oxidation number of Cl in the hypochlorite ion?

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Q: 20 g of Hematite ore needed to react with 10.5g from reducing substance in .. to obtain Iron.…

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Q: Give a brief explanation of this mineral  Bauxite ore

A: Give some detail explanation about bauxite and write down its uses in the industry or anywhere else.

Q: Provide the balanced net ionic chemical equation for the reduction of Fe3+ to Fe2+ by Sn2+

A: Given that : We have to provide the balanced net ionic chemical equation for the reduction of Fe3+…

Q: What class of element is obtained by oxidation of a mineral? What class of element is obtained by…

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Q: Why is the formation of slag useful during the smelting of iron?

A: During smelting of iron to extract the pure iron the temperature is about 1123K. Here the flux CaO…

Q: Explain why iron and manganese exist in the lower oxidation states at the bottom of large eutrophic…

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Q: Why metals like potassium and sodium can not be extracted by reduction of their oxides by carbon?

A: Potassium and Sodium are highly electropositive elements. They have positive oxidation state when…

Q: 1. Chemical reduction of zinc oxides in the presence of reduced carbon 2. Formation of anorthite…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…

Q: 1. Write the balanced molecular equation for the reaction of the CuSO4 with ammonia to form…

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Q: During the refining of iron, carbon must be present in the blast furnace. Why is carbon necessary to…

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Q: Please write the reactions of Zn, Fe and Cu metals with HCl and H2SO4 acids.

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Q: How are each of the following involved in iron metallurgy:(a) slag; (b) pig iron; (c) steel; (d)…

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Q: The sulphide ore among the following is(a) haematite(b) bauxite(c) argentite(d) zinc blende

A: Minerals are the natural materials in which the metals and their compounds are found in earth. Ores…

Q: The electrolysis process of brine that produces NaOH solution with the lowest purity is Oa Mercury…

A: An aqueous solution of NaCl is named Brine. In the electrolytic process of this solution, an…

Q: Give a brief descriptive comparison of super oxides, peroxides and ordinary basic oxides.

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Q: Calculate the final mineral percentages in the rock from the given oxides. Explain.

A: Oxide Weight% Molecular weight Molecular proportion SiO2 47.9 60.1 0.797 Al2O3 3.68 101.96 0.036…

Q: The common method for extraction of metals from the oxide ore is(a) Reduction with carbon(b)…

A: The Earth's crust contains ores which are basically "metal oxides". Ores contain enough amount of…

Q: Which of the following elements is most likely to be used to prepare La by the reduction of La2O3:…

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Q: Name the principal ore of aluminium. Explain the significance of leaching in the extraction of…

A: Aluminium is generally extracted from bauxite ore.

Q: Describe the principle controlling each of the following processes :(i) Vapour phase refining of…

A: Vapour phase refining method: It is refining process in which metallic ore is converted into its…

Q: Which of the following is the source of common salt?   A.  BauxiteB.  PyriteC.  CalciteD.  Halite

A: Common salt is Sodium chloride.  It is also known as table salt or rock salt.  NaCl is the chemical…

Q: a) Apply MOT to describe bonding in [Fe(H2O)6]³* and [Fe(CN)6]*- b) Describe extraction of uranium…

A: Answer (a) The molecular orbital theory states that each atom tends to combine together and form…

Q: Why is it important to know the reactions of alkali and alkaline metals in metallurgical processes?

A: Alkali metals are group 1 elements like potassium, sodium, Lithium, cesium, rubidium etc. Alkaline…

Q: Write and balance the equation for the reduction of iodate by hydrogen sulfite ions to give iodide…

A: Balance the equation for the reduction of iodate by hydrogen sulfite ions to give iodide and sulfate…

Q: Why does not silver evolve hydrogen on reacting with dil H2SO4

A: Silver is less reactive than hydrogen and so placed below hydrogen in the reactivity series. Metals…

Q: 17. Which one of the following oxides reacts with bases (alkalis) but does NOT dissolve in water at…

A: A multiple choice question based on solubility of oxides, which is to be accomplished.

Q: (a) Write the principle of electrolytic refining.(b) Why does copper obtained in the extraction from…

A: Write the principle of electrolytic refining.

Q: Write an equation for the reduction of cesium chloride by elemental calcium at high temperature.

A: Given reaction, Reduction of cesium chloride by elemental calcium at high temperature.

Q: What process is used to separate silver from its ores? O Hydrometallurgy Downs cell O Haber- Bosch…

A: Answer: Downs cell process is used for the production of Sodium metal. Haber-Bosch process is used…

Q: Why some of the heavier p block elements shows two oxidation states?

A: A species gains or loses electrons to form anions or cations respectively. A gain in electron is…

Q: Why lower oxidation states is more stable  than higher oxidation states for heavier p block…

A: All known elements are placed in the Modern periodic table in increasing order of their atomic…

Q: What do the silicate structures include?

A: Silicates are inorganic compounds of silicon ,having oxygen attached with it. Silicates are…

Q: B is a Period 3 oxide that is insoluble in water but reacts with hydrochloric acid. Explain why the…

A: The periodic table is a systematic arrangement of chemical elements on the basis of their mass and…

Q: Another Group 14 (4) oxide has the formula Pbo. i Determine the oxidation state of lead in PbO and…

A: Given :- formula of group 14(4) oxide = PbO  To determine :- oxidation state of lead in PbO and…

Q: (i) Name the method of refining to obtain silicon of high purity. (ii) What is the role of SiOz in…

A: Zone refining: It is the process that is used to refine hard metals like silicon in the purest form.…

Q: A mixture containing onlyl FeCl3 and AlCl3 weighs 5.95 g. The chlorides are converted to the…

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