With respect to reactivity at normal temperatures, nitrogen is ...

[anshika]

With respect to reactivity at normal temperatures, nitrogen is best classified as
 
  A) highly reactive.
  B) somewhat reactive.
  C) relatively unreactive.
  D) comparable to helium in its reactivity.

Question 2

Over 20 billion kg of pure oxygen are produced industrially in the United States each year. The source of this oxygen is ________.
 
  Fill in the blank(s) with correct word

[BAOCHAU2803]

Answer to Question 1

C

Answer to Question 2

air

[anshika]

Thanks for the timely response, appreciate it

[Kedrick2014]

TYSM