DIRECTIONS: Research the physical and chemical properties of hydrogen, carbon
dioxide, oxygen, and water vapor. Draw and describe a way to identify each gas based
on its physical and chemical properties.
![DIRECTIONS Research the physical and chemical properties of hydrogen carbon dioxide oxygen and water vapor Draw and describe a way to identify each gas based on class=](https://us-static.z-dn.net/files/d99/0c392629df74f90934d620a1c69f0108.png)