--%>
Assignment Help - homework help

  Occurrence and principles of extraction of copper

Occurrence and principles of extraction of copper:

Atomic mass: 63.54                  Valency: 1 and 2
Atomic number: 29                   Symbol: Cu

Location in the periodic table: Period Number - 4, Group Number -11.

Occurrence:

Copper was recognized to the earliest races of mankind. It was termed as cuprum by the Romans since they utilized to obtain it from the island of Cyprus. Copper is found in the native state and also in the combined state. Native copper is found in big amounts in Michigan (i.e., USA).

Ores:

i) Copper pyrite, CuFeS2.
ii) Ruby copper or Cuprite, Cu2O.
iii) Copper glance, Cu2S.

The main ore of copper is copper pyrite. It outcomes nearly 76 percent of the world production of copper.

Uses:

1. It is broadly utilized for making electric cables and other electric machines.
2. It is utilized for making containers, utensils, calorimeters, coins, and so on.
3. It is utilized in electroplating.
4. It is alloyed with gold and silver for the manufacture of coins and jewellery.

Alloys of Copper:

1345_Alloys of copper.jpg

 

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.