How does chromium oxide improve the properties of stainless steel? A. It eliminates the need for carbon.
B. It makes the alloy more flexible.
C. It protects the alloy against rusting.
D. It makes the alloy less brittle.

Adilute aqueous potassium nitrate solution is

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea

Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon