
- Assumptions of the kinetic molecular theory of ideal gas .Gases are made up of independent particles (atoms or molecules) moving in rapid motion in a straight lineContinue reading “Assumptions of the kinetic molecular theory of ideal gas .”
- States of matterMatter exists in three states (phases) ; Solid , Liquid and gaseous state . The three states ofContinue reading “States of matter”
- Five stages involved in metallurgy.Mining ore from the ground. Separating and concentrating of the metal or the metal containing compound for furtherContinue reading “Five stages involved in metallurgy.”
- The permanganate ion MnO-⁴ is deep purple but TcO4- and ReO4- are colourless, explain.The two oxides of Tc2O7 and Re2O7 are formed when metals are heated in air or oxygen. BothContinue reading “The permanganate ion MnO-⁴ is deep purple but TcO4- and ReO4- are colourless, explain.”
- The highest oxide of Fe is Fe2O3 while that of Ru is RuO4 . ExplainRuthenium and Osmium form RuO4 and OsO4 which are in (+8) oxidation state. Ru(iii) and Os (+iv) areContinue reading “The highest oxide of Fe is Fe2O3 while that of Ru is RuO4 . Explain”