--%>
Assignment Help - homework help

  Occurrence and principles of extraction of zinc

Occurrence and principles of extraction of zinc:

Atomic mass: 65.37        Valence: 2
Atomic number: 30         Symbol: Zn
Location in the periodic table: Period Number -4, Group Number -12.

The ancient employed an alloy of Zn and Cu not very dissimilar from brass without recognizing its actual composition. Zinc has been well-known in many countries for a long time.

Occurrence:

Zinc does not take place in the native form since it is a reactive metal. Though, in the combined state, zinc is broadly distributed.

Ores:

The significant ores of zinc are

1) Zinc blende, ZnS
2) Calamine, ZnCO3
3) Zincite, ZnO

The main ore of Zinc is Zinc blende.

Uses of zinc:

1. It is broadly utilized for galvanizing iron sheets.
2. It is utilized in the extraction of gold and silver by the cyanide procedure.
3. Zinc plates and rods are utilized in batteries and dry cells.
4. Zinc dust and granulated zinc are employed in laboratory as reducing agents.

 

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.