Extraction of Zinc from Zinc blende:
The extraction of Zinc from Zinc blende includes the steps shown below:
1. Concentration:
The ore is at first crushed and then concentrated by froth-floatation procedure.
2. Roasting:
The concentrated ore is then roasted in the existence of surplus of air at around 1200 K.
3. Reduction:
Zinc oxide is mix with powdered coke and then heated to 1673 K in a fire clay retort, in which ZnO is diminished to zinc metal.
Purification:
Zinc is purified by electrolytic refining. In this procedure, Impure Zinc is anode and cathode is of pure thin sheet of Zinc. The electrolyte is ZnSO4 solution having a little of dil. H2SO4. On passing electric current, the pure zinc gets deposited at cathode.
Latest technology based Chemistry Online Tutoring Assistance
Tutors, at the www.tutorsglobe.com, take pledge to provide full satisfaction and assurance in D Block Elements homework help via online tutoring. Students are getting 100% satisfaction by online tutors across the globe. Here you can get homework help for D Block Elements, project ideas and tutorials. We provide email based D Block Elements homework help. You can join us to ask queries 24x7 with live, experienced and qualified online tutors specialized in D Block Elements. Through Online Tutoring, you would be able to complete your homework or assignments at your home. Tutors at the TutorsGlobe are committed to provide the best quality online tutoring assistance for Inorganic-Chemistry Homework Help and assignment help services. They use their experience, as they have solved thousands of the Chemistry assignments, which may help you to solve your complex issues of D Block Elements. TutorsGlobe assure for the best quality compliance to your homework. Compromise with quality is not in our dictionary. If we feel that we are not able to provide the homework help as per the deadline or given instruction by the student, we refund the money of the student without any delay.
Preparation of Hexaamminecolbalt (III) Chloride tutorial all along with the key concepts of Preparation ofHexaamminecobalt, Preparation of Ethylenediamine and Concept of Limiting Reactant
electromagnetic induction tutorial all along with the key concepts of time - varying magnetic field, induced e.m.f. and currents, statement of faraday's law, lenz's law, fleming's right-hand rule and generators
Concept of Computational Geometry-Assignment help and Homework help comprising the key concepts of Geometrical objects and its properties, Earth coordinate system, Convex Hull, Convex Hull problem and Convex Hull algorithms
Theory and lecture notes of Scatter Plots and Regression Lines all along with the key concepts of Scatter plots and regression lines, homework help, assignment help, correlation & regression tutors. Tutorsglobe offers homework help, assignment help and tutor’s assistance on Scatter Plots and Regression Lines.
tutorsglobe.com nitrogen fixation in legumes assignment help-homework help by online non-biological fixation tutors
www.tutorsglobe.com offers answering questions to external economies, types of external economies, economics homework help - assignment help by live tutors.
www.tutorsglobe.com offers crystalline solids homework help, crystalline solids assignment help, online tutoring assistance, organic chemistry solutions by online qualified tutor's help.
History of Ethology tutorial all along with the key concepts of Differences and similarities with comparative psychology, Scala naturae and Lamarck's theories, Theory of evolution by natural selection, Mating and supremacy
Theory of Germplasm-Cell Division tutorial all along with the key concepts of Mitosis, Importance of Mitosis, Introduction to Meiosis, Meiosis - I, Meiosis - II, Significance of Meiosis
ionic or salt-like hydrides tutorial all along with the key concepts of covalent hydride, metallic hydrides, electronegativity values, formation of hydrides, white crystalline solids
tutorsglobe.com properties of fluorine assignment help-homework help by online halogen family tutors
www.tutorsglobe.com offers computer based information system homework help, assignment help, case study, writing homework help, online tutoring assistance by computer science tutors.
Latent Heat and Evaporation tutorial all along with the key concepts of Concept of latent heat, Application and Types of Latent Heat, Effects of Impurities and Pressure, Concept of evaporation, Factors affecting evaporation, Concept of boiling, Concept of Sublimation, Humidity and Weather
tutorsglobe.com farming techniques assignment help-homework help by online poultry tutors
Nature and Chemistry of Transition Elements tutorial all along with the key concepts of Electronic Configuration of transition elements, General Characteristics of Transition Elements and Periodic trends in properties
1957041
Questions Asked
3689
Tutors
1484440
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!