Place a burning splint near the opening of a test tube. If a popping noise occurs, it's probably hydrogen. Place a glowing splint in the test tube, and if it reignites, it could be oxygen. Place a burning splint into a test tube, and if it goes out, it could be carbon dioxide.
Answer:
False
Explanation:
The ideas were not proposed
28.01 g/mol is the answer for carbon monoxide (CO)
What are the multiple choices?
