This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Identify the ion that is responsible for the red colour of rubies. (Read 95 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
on: Nov 18, 2019

Question 1

Why is zinc used to coat steel objects?

Question 2

Identify the ion that is responsible for the red colour of rubies.
◦ Cr+6
◦ Cr+5
◦ Cr+7
◦ Cr+4
◦ Cr+3
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by sheilaspns on Nov 18, 2019

jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly


sheilaspns

  • Member
  • Posts: 567
Reply 2 on: Nov 18, 2019
:D TYSM

isabelt_18

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

An example of polymorphism: the two colour variations found in the orchid Dactylorhiza sambucina. An example of polymorphism: the two colour variations found in the orchid Dactylorhiza sambucina.
Unique markings identify individual humpback whales. Unique markings identify individual humpback whales.
(A) The nine regions of the abdominopelvic cavity. (B) The four regions of the abdomen, which are re (A) The nine regions of the abdominopelvic cavity. (B) The four regions of the abdomen, which are re
Identify the structures shown below by filling in the blanks. Identify the structures shown below by filling in the blanks.
The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust
A food diary can help patients identify unhealthy eating habits and make healthy choices. A food diary can help patients identify unhealthy eating habits and make healthy choices.
Video: Conduction of action potentials

For a complete list of videos, visit our video library