NCERT Solutions for Class 10, · 3 Fe(s) + 4 H 2 O (g) à Fe 3 O (s) + 4 H 2 (g) Iron metal is getting oxidised. Water is getting reduced. ... FeO b. Fe2O3 c. Fe3O4 d. Fe2O3 and Fe3O4 Answer : c Explanation : Prolong heating of red hot iron with steam form Fe3O4 with hydrogen gas. 6. What ...Malvern Panalytical's Knowledge Center | Malvern Panalytical, This leads to the separation of the polymers in terms of their molecular size, as the name Size Exclusion Chromatography suggests, and not in terms of their molecular weight. The technique is carried out under good solvent conditions and can utilise a variety of good solvents for different types of polymers making this a universal technique that most polymer scientists find useful to have..Solved Everyday Science Papers, · Assalam o Alaikum, I have edited some papers i.e., 2000,2001,2003,2004 for you. Please see and enjoy and pray for me. Dilrauf PAPER 2000 Question:1 (a) Al-Beruni Al-BiruniIron(III) chloride, · Iron(III) chloride is the inorganic compound with the formula (FeCl 3). Also called ferric chloride, it is a common compound of iron in the +3 oxidation state. The anhydrous compound is a crystalline solid with a melting point of 307.6 °C. The color depends on the viewing angle: by reflected light the crystals appear dark green, but by ...Lithium oxide, · Lithium oxide (Li 2O) or lithia is an inorganic chemical compound. It is a white solid. Although not specifically important, many materials are assessed on the basis of their Li2O content. For example, the Li2O content of the principal lithium mineral spodumene (LiAlSi2O6) is 8.03%..
How to Find the Molecular Mass of a Compound, · It is easy to find the molecular mass of a compound with these steps. Follow along with the example calculation to practice. Tips for Success Remember, if no subscript is given after an element symbol, it means there is one atom. A subscript applies to the atom ...Lectures%202007%20 ironmaking, · Fe Fe2 O3 Fe3O4 FeO Fe alles oxide Fe Fe2O3 Fe3O4 FeO Fe 50. The Process The Blast Furnace as a countercurrent mass and heat exchanger Gas Burden ascent descent 2300°C Dead Man