Describe the effects of adding Cr to steel and give a use for chromium–steel alloys.

Q: Qualitatively predict the trends in melting point, boiling point, and hardness of metals?

A: Melting Point : If we compare two closely associated elements (one metal and other non metal) then…

Q: MnO−4 reacts with Fe2+ in acid solution to produce Fe3+ and Mn2+.  Write a balanced equation for…

A: Explanation: Equation involves OXIDATION & REDUCTION reactions Ferrous ion is oxidized…

Q: B. What are the effects of adding elements (Ni. Cr, Si and S) on steel?

A:

Q: Which acid is the best for acid leaching of graphite on the basis of environmental impact ? alkali…

A: Which acid is the best for acid leaching of graphite on the basis of environmental impact ? alkali…

Q: The red color of ruby is due to the presence of Cr(III) ions at octahedral sites in the close-packed…

A: The atomic number of Cr is 24 The electronic configuration of Cr is [Ar]3d54s1

Q: Compute for the composition, in atom percent, of an alloy that consists of 92.5 wt% Ag and 7.5 wt%…

A: Given data : Wt% Ag = 92.5 Wt% Cu = 7.5

Q: What are alumino silicates or FELDSPARS

A: The metallic compounds which are found in nature, called as minerals whereas the minerals which can…

Q: >Name three advantages of making metal components from the powder metallurgical process.

A: The important three advantages of Powder metallurgy are given below.

Q: Which compound of Ti is the most important industrial product of titanium metal? Describe an…

A:

Q: When copper is purified using an electrochemical cell, which electrode has the pure copper and which…

A: The electrolytic cell process is used for the purification of a number of metals. The cathode is the…

Q: A- What are the important reactions in( Fe- C ) system? B-State the purpose of adding alloying…

A: A) The important reactions in (Fe - C) system are, i) Eutectic reaction  ii) Eutectoid reaction iii)…

Q: how is limestone used in Fe extraction?

A: Extraction:The way of separation of a desired substance mixed with other substances is known as…

Q: What is the coordination number of a metal ion in a complexion? How does it differ from oxidation…

A: Coordination number is defined as the number of the ligands which are immediately surrounded or…

Q: relevance of chemistry in STEELS AND CAST IRONS -STAINLESS STEEL -CAST IRONS

A: Answer - Steel - Steel is made from iron by removing impurities and adding substances such as…

Q: describe the important features of the microstructure for low carbon steel, medium carbon steel…

A: We need to discuss about different types of iron and steel.

Q: A basic lining is given to a furnace by using:(a) Calcined dolomite(b) Copper sulphate(c)…

A: The metallic compounds which are found in nature, called as minerals whereas the minerals which can…

Q: Which metal is most likely to occur in nature as oxides, sulfides, carbonates, and silicates? Hf Hg…

A: Note: According to our guidelines we are supposed to answer only one question.  Kindly repost other…

Q: Provide a general description of how hydrometallurgy is used to extract metals from ores.

A: Extractive metallurgy is the practice of removing valuable metals from an ore and refining the…

Q: The ore alvite often has a formula: (Hf, Th, Zr)SiO4.xH2 Suggest why Thorium would be an…

A: CONCEPTIsostructural: Isostructural crystals are those that have similar chemical structure , not…

Q: Predict the structure of each of the following silicate minerals (network, sheets, double chains,…

A: a) In apophyllite (KCa4(Si8O20)F.8H2O), the oxygen and silicon ration is 2.5:1. From the table, the…

Q: 1. Explain the magnetic properties of Mno Zno 2Fe;O, based ferrite on its structure.

A: Magnetic properties: The Magnetic properties (introductory penetrability and relative misfortune…

Q: MnO−4 reacts with Fe2+ in acid solution to produce Fe3+ and Mn2+.  Write a balanced equation for…

A: From the given information, the half reactions are, Oxidation half reaction is, Reduction half…

Q: Calculate the mole percent and mass percent of Mn in the minerals pyrolusite and rhodochrosite.

A: The mole fraction of a substance is equal to the number of moles by the total number of moles.  Mole…

Q: >Describe the effects of adding Mn to steel and give a use for manganese–steel alloys.

A: Manganese is generally added to steel to change its physical properties. Addition of Manganese to…

Q: What is the principal alloying element that can make a steel stainless?

A: The stainless steel is composed of carbon, chromium, manganese, phosphorus, silicon and other…

Q: Which gases are used as shielding gases in tig welding?

A: Given,  Which gases are used as shielding gases in tig welding = ?

Q: Write the reactions taking place in different zones of the blast furnace to obtain Iron.

A: The process of purification of metals and formation of alloys is carried out by metallurgy. The…

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 is it important to use an inert atmosphere to surround the metal when arc-melting titanium?

A: Since high temperature and the flow of electrons would cause the metal to oxidize in a normal…

Q: >Provide a general description of how electrometallurgy is used to extract metals from ores.

A: A technique of extraction of metal from its ore in which electrolysis is used is known as…

Q: How is steel manufactured by acid bessemer process? What are the advantages and disadvantages of…

A: The acid Bessemer process consists essentially of blowing air through molten pig iron to oxidize the…

Q: Describe the Mond process?

A: Mond process is used for refining nickel. This process takes place at very high temperatures.

Q: Type of Steel % Carbon Characteristics Uses Low-carbon steel < 0.2 % Malleable and ductile Chains…

A: The size of iron atoms is larger than the carbon atoms.

Q: Which of the following could be useful as an elemental semiconductor? Cu O F O K As Xe

A: Materials whose conductivity  is lies between the conductors and insulators are known as…

Q: Danial is conducting an experiment to evaluate the hardenability of low alloy steel, 4340.

A: This is a multipart question . According to Guidelaine, in multipart question, we can only solve the…

Q: The earthy impurities associated with mineral used in metallurgy are called(a) Slag(b) Flux(c)…

A: Gangue is the earthly impirity associated with minerals.

Q: Which metals are found in carboy steel?

A: Steel is an alloy. Alloy is a mixture of two or more metals. The alloy has different properties than…

Q: Which metals are found in carbaloy steel?

A: Given,Carbaloy steel

Q: Which metals are found in Monel steel?

A: Monel steel is an alloy. This alloy is mainly composed of nickel (Ni) and copper (Cu) which is 72%…

Q: Explain about passivation in metals

A:

Q: (a) Which of the following ores can be concentrated by froth floatation method and why?Fe2O3, ZnS,…

A: When hydrophobic materials are separated from hydrophilic materials through a selective process then…