aluminium is most abundant in earth crust yet it is obtained from bauxite. why?

Q: In the pyroxene kanoite, the formula unit has two SiO,2 units and is balanced by manganese and…

A: The name of the given compound is kanoite. It is made up of two SiO32-anions and Mg2+ and Mn2+ as…

Q: How does the Mineral Family- Oxides is used in everyday life and in Engineering activities?

A:

Q: Unlike the other chalcogens, oxygen does not form compounds in the +4 or +6 oxidation state. Why?

A: Chalcogens is a term defined for elements forming ores.  Group 16 elements are known as Chalcogens.…

Q: What is the purposing of synthesizing Alum from an Aluminum can, and how does this experiment relate…

A: Alum is a double sulfate compound of a metal and aluminum. If potassium is present along with…

Q: In determining the manganese dioxide content of a pyrolusite mineral. A sample of 0.5261 g of…

A: Equation representing reaction of KMnO4 with oxalate: 2 MnO4- + 5 C2O42- + 16 H+ = 2 Mn2+ + 10 CO2 +…

Q: What chemical process is used for obtaining a metal from its oxide?

A: The chemical process used for obtaining metal from its oxide:

Q: general background of aluminium.

A: There are in total 118 elements in chemistry. Aluminium is one of them which is very useful in our…

Q: List the important products of the Chlor_alkali process .write one important use of each.

A: Chlor-alkali process is an industrial process in which electrolysis of NaCl can be done.  In this…

Q: copper can be extracted by hydrometallurgy but not zinc. explain.

A: The reduction potential of Zinc is lower than that of copper. In hydrometallurgy, in order to…

Q: Which of the following substances is added to the blast furnace (together with the iron ore and…

A: Iron contains impurities of silica(SiO2).

Q: coal? CO

A:

Q: 5. Write a balanced equation to represent a. the roasting of nickel (II) sulfide to form nickel (II)…

A:

Q: What is the uses of the following minerals group? Sulfides

A: Given mineral group is sulfide.

Q: Directions: Balance the following chemical equation: 1. FeS + O2 → FeO3 + SO2

A: Given,   FeS + O2  → FeO3  + SO2  The balanced equation is:

Q: Semiconductors made from elements in Groups 3A(13)and 5A(15) are typically prepared by direct…

A: Given: Mass of molten gallium     = 32.5 g Volume of molten gallium = 20.4 L Temperature…

Q: If you consume 1.0 kg of CaCo3 in the production of cement how many kg of Co2 do you produce?  show…

A: Reaction -  CaCO3  -----> CaO + CO2 Where CaO is cement Given -  Mass of CaCO3 - 1 kg To find -…

Q: Elemental Li and Na are prepared by electrolysis of a molten salt, whereas K, Rb, and Cs are…

A: a) Aqueous salt solutions are mixtures of ions and water. When two half-reactions are possible at an…

Q: Why are sulphide ores converted to oxide before reduction?

A: The main principle of conversion of ores into respective metal is that ores must be changed into…

Q: How do you find the oxidation numbers of Cr and P in the formula unit Cr(PO4)2?

A:

Q: Describe some uses for (a) calcium and its compounds, and (b) magnesium and its compounds.

A: There are many  uses for (a) calcium and its compounds, and (b) magnesium and its compounds.

Q: Using balanced chemical equations suggest the synthesis of sodium tetraboroaluminate from H2, Na,…

A: Sodium tetraboroaluminate, also known as sodium aluminate tetraborate or Na2[B4O5(OH)4]·8H2O, is a…

Q: is a metal? As CI K F

A: We know that metals are elements that readily forms positive ions(cations) and has metallic bonds .…

Q: Be sure your chemical equation is balanced! ZnS(s) +O2(g) ->

A: We have to write products of the reaction ZnS(s) +O2(g) ->

Q: Give the reason for the fusion of an organic compound with sodium metal for testing nitrogen,…

A: For the detection of Nitrogen, sulphur and halogens is done by fusing the organic compound sodium…

Q: How is Vanadium a Problem and an opportunity?

A: Interpretation: How vanadium is a problem and an opportunity is to be determined.

Q: Hard water is a problem for many residential and commercial applications. How can hard water be…

A: Several methods of water softening have emerged in an attempt to overcome the challenges posed…

Q: Why are metals such as Ni and Co economical to mine and use in industrial processes even though they…

A: The major use of metals Co and Ni in industry is due to the reason that they are ferromagnetic in…

Q: Although the earth was formed from the same interstellar material as the sun, there is little…

A: The atmosphere of earth consists of mostly nitrogen and oxygen along with some amount of noble…

Q: In industry, iron is extracted from its ore using a blast furnacea)Name the ore from which iron is…

A: a) The ore from which iron is extracted using a blast furnace is HEMATITE (Fe2O3). Other raw…

Q: What is the role of CO2 in the extractive metallurgy of aluminium from its ore?

A: The entire scientific and technological processes involved in the extraction and isolation of a pure…

Q: Which of the following statements about titanium dioxide is false?   A. The titanium has a d0s0…

A: B) FALSE. Explaination TiO2 don’t have NaCl type structure instead rulite with a tetragonal…

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.