Answer:
I only know the physical properties
Step-by-step explanation:
The physical properties of hydrogen are
It is colourless odourless and tasteless in nature
It is lighter in air and insoluble in water
It has an atomic mass of 1.008 amu
Carbon dioxide
The physical properties of carbon dioxide are
It is a colourless and odourless gas
It is slightly toxic
It is denser than air
Water vapour
It is transparent