sulphur
ash is particulate matter, it has no gas.
Mountain ash or Sorbus aucuparia reproduce from seed contained in berries.
ash is a solid
they are gas
If the gas is contained at a constant volume, the pressure increases. If the gas is not contained, the pressure remains the same or drops.
The eruption of 1985 produced gas and ash.
the thing with purple gas
Bergen-Belsen contained no gas chambers.
Ash, Gas, and Lava
Hydrogen .
No. Volcanic ash is not gas. It is made of tiny solid particles of rock or glass formed either when molten rock is fragmented or when solid rock is pulverized by explosive eruptions. Gas from a volcano is simply called volcanic gas.
No, it is not. As fine as it might be, it is a solid material and not gaseous.
Ozone layer