Write the role of the following: (i) Iodine in the refining of zirconium (ii) Silica in the extraction of copper from copper matte.

Q: Bi2O3 is a basic oxide. Write a balanced chemical equation for its reaction with dilute nitric acid.…

A: Given : Bi2O3 is a basic oxide , m = 6.77 g , V = 0.500 L Bi2O3 is known as Bismuth(III) oxide ,…

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: Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudbury…

A: The given reaction is:

Q: The use of silica to form slag in the production of phospho-rus from phosphate rock was introduced…

A: Silica is the name given to a group of minerals composed of silicon and oxygen and these two are the…

Q: Name the synthesis methods of cobalt(II) sulphate (CoSO4.7H2O)

A: A commonly available salt of cobalt is cobalt sulfate, an inorganic compound.

Q: Write the reactions involved in the following processes: (i) Leaching of bauxite ore to prepare pure…

A: Given processes, (i) Leaching of bauxite ore to prepare pure alumina. (ii) Refining of zirconium by…

Q: The pH of a 0.2 M solution of CuSO4 is 4.0. Write chemical equations to explain why a solution of…

A: Copper (II) sulphate is a salt of sulphuric acid (strong acid) and copper (II) hydroxide (weak…

Q: What is the difference between chain and cyclic silicates?

A:

Q: An impurity sometimes found in Ca₃(PO₄)₂ is Fe₂O₃, whichis removed during the production of…

A: a) Iron impurities present in the solution of Ca3(PO4)2 will be precipitated in the form of Fe2P.…

Q: Write balanced equations for the following reactions. (a) Old oil paintings can be cleaned by the…

A:

Q: Write a balanced equation for each of the following reactions:(a) Sulfur dioxide reacts with water.…

A: Following balanced reactions are:   A)  Sulfur dioxide reacts with water SO2 + H2O ---------->…