Answer: True
Air is a mixture of many things; it's not just Oxygen, but Hydrogen, Carbon, and Nitrogen as well are made up of air. Fun fact: Nitrogen is actually more abundant in air
Answer:
See attached picture for both electrophillic substitution in pyrole and in pyridine.
Explanation:
Your answer would be a change in odor! Hope this helps! ;D
The answer would be A) sand, it is not soluble in water
Answer:
Explanation:
oxygen is a 15 and nitrogen science chemistry i'm guessing