« previous next »

Author Question: Probably the first metal to be freed from its ore by smelting was A) aluminum. B) copper. C) ... (Read 43 times)

clippers!

  • Hero Member
  • *****
  • Posts: 828
on: Aug 27, 2018
Probably the first metal to be freed from its ore by smelting was
 
  A) aluminum.
  B) copper.
  C) lead.
  D) iron.

Question 2

The black tarnish on silver is
 
  A) AgOH.
  B) Ag2O.
  C) AgCl.
  D) Ag2S.


canderson530

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Freed from Bush Flies Freed from Bush Flies
Corrosion on Copper Bond Pad Corrosion on Copper Bond Pad
A Copper Mine in Utah A Copper Mine in Utah
Tin snips are used to cut thin sheets of metal or carpet. Tin snips are used to cut thin sheets of metal or carpet.
This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ... This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ...
James Watson and Francis Crick’s metal-and wire model of DNA James Watson and Francis Crick’s metal-and wire model of DNA
Video: Major Elements in Biological Molecules: Carbohydrates

For a complete list of videos, visit our video library