To solve the question regarding the processes involved in the smelting of iron in a blast furnace, we can break it down into several steps:1. Understanding Smelting: - Smelting is a metallurgical process used to extract met
of iron oxides, and deoxidants corresp. stoichiometrically with the amt. of iron oxides and consisting of min. 0.5%. With conventional welding powders, both the permissible electric current and the welding speed are limited; and the object of the invention is to increase the welding speed while...
In which of the following pairs , both the species are not isostractural ? View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE...
Which of the following ions is most likely to form a soluble sulfate? Select one: a.Ba2+b.Cl−c.Na+d.Pb2+e.S2− Solubility of Salt Compounds: A solid (ionic) salt compound dissociates in liquid water into an aqueous solution...
tropical soils, they are often colored red or yellow by the presence of iron, aluminum, and manganese oxides; when dry, these soils become rock hard.The famous Cambodian temples of Angkor Wat, which have survived for many centuries, were constructed from blocks of such hard rain forest soils...
Answer to: Which of the following kinds of sediment will be first to pile up on the ocean floor? Second? Third: a. Calcareous ooze b. Red clay c...
aThe replacement of iron oxides with iron carbonates, which a number of researchers have associated with a decrease in the corrosion rate, may then be attributed not only to the barrier properties of the iron carbonates themselves, but also to the elimination of the oxides’ role in promoting ...
The oxides of elements of the iron group including manganese may also find employment instead of vanadium metal oxide. The best effect is, however, obtained with an alkali oxide-vanadium oxide catalyst on precipitated silica. In the event of the SO2 content of the gases being still lower-...
The solitary use of wood biochar amendment encouraged the activities of the abovementioned enzymes. This was further corroborated by the upregulation of the expression of ATPS, APR, Sultr3;1, Sultr2;1, Sultr3;4, and Sultr4;2 genes within the leaves, and the augmentation of sulfur ...
(a) The composition of a sample of steel is :98%iron,1.5%carbon and0.5%other elements. (b) Zinc dissolves in hydrochloric acid with the evolution of hydrogen gas. (c) Metallic sodium is soft enough to be cut with a knife. (d) Most metal oxides form alkalis on interacting with water...