« previous next »

Author Question: Most economically valuable metals are processed from A) ionic compounds. B) silicate ores. C) ... (Read 138 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
on: Jul 16, 2018
Most economically valuable metals are processed from
 
  A) ionic compounds.
  B) silicate ores.
  C) oxide and silicate ores.
  D) sulfide and oxide ores.

Question 2

What do the minerals gold, sulfur, and talc have in common?
 
  A) They are yellow in color.
  B) They are used almost as they are when removed from the ground.
  C) They are soft in texture.
  D) They are expensive to purchase.


wfdfwc23

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Metals reacting with oxidized oxygen Metals reacting with oxidized oxygen
Structure of a processed mRNA 5’ end Structure of a processed mRNA 5’ end
Ionic Bonds and Polarity Ionic Bonds and Polarity
LiH has an experimental dipole moment, μ = 6.00 D. If LiH were 100% ionic, the distance ... LiH has an experimental dipole moment, μ = 6.00 D. If LiH were 100% ionic, the distance ...
What single payment one year from now would be economically equivalent to payments of $1,000 ... What single payment one year from now would be economically equivalent to payments of $1,000 ...
which of the given compounds has the lowest wavenumber for its carbonyl absorption? which of the given compounds has the lowest wavenumber for its carbonyl absorption?
Video: Phases of the ovarian cycle

For a complete list of videos, visit our video library