Author Question: Most economically valuable metals are processed from A) ionic compounds. B) silicate ores. C) ... (Read 128 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
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
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
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

For a complete list of videos, visit our video library