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.
materials that are employed for slot insulation are leatheroid, mica, glass cloth, and flexible kind of micanite. the category of slot insulation will change as per to the capacity of the machine.
Theory and lecture notes of Investment Spending all along with the key concepts of investment spending, homework help, assignment help, building blocks of the flexible-price model. Tutorsglobe offers homework help, assignment help and tutor’s assistance on Investment Spending.
tutorsglobe.com catabolism of dna by deoxyribonucleases assignment help-homework help by online nucleic acid metabolism tutors
Polyesters-Polyamide Fibres tutorial all along with the key concepts of Definitions of Nylon and Polyester, Nylons, nylon 6, 6, hexamethylene diamine, Polyesters, Naphthalate group
The Cell Theory tutorial all along with the key concepts of The Cell-An Individual Unit of Life, Anaximander, Plato, The Atomists, Aristotle, Microscope and Robert Hooke
tutorsglobe.com adrenal gland assignment help-homework help by online co-ordination systems tutors
Junction Field Effect Transistors tutorial all along with the key concepts of JFET characteristic curves, Operation of JFET device, JFET as an amplifier, bipolar junction transistor, single stage class A amplifier circuits
efficiency ratios are employed to try to assess how effectively the several resources of the business are managed.
Natural gas origin tutorial all along with the key concepts of Formation of Natural Gas, Natural Gas under the Earth, Deep Natural Gas, Tight Natural Gas, Shale Gas, Coal Bed Methane, Geopressurised Zones, Methane Hydrates, Offshore Gas Fields, Stranded Gas
Herbs-Shrubs-Trees tutorial all along with the key concepts of Herbaceous Monocotyledonous Stem, Herbaceous Dicotyledonous Stem, Ephemerals, Annual Plants, Biennial Plants and Perennial Plants
tutorsglobe.com indifference schedule assignment help-homework help by online indifference curve approach tutors
theory and lecture notes of solenoids and relays all along with the key concepts of magnetomotive force, magnetic field strength, permeability, valves and actuators. tutorsglobe offers homework help, assignment help and tutor’s assistance on theory of solenoids and relays
tutorsglobe.com laboratory diagnosis and control assignment help-homework help by online clostridium botulinum tutors
We offer the most sought-after Topology Assignment Help at most apt prices with 24x7 support of PhD experts to secure A++.
Chemotherapeutic Agent tutorial all along with the key concepts of Antibacterial Chemotherapeutic Agents, Antifungal Chemotherapeutic Agents and Antiviral Chemotherapeutic Agents
1939276
Questions Asked
3689
Tutors
1467869
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!