They react to form sulphuric acid.
2 SO2 + 2 H2O + O2 → 2 H2SO4
When water evaporates, salts dissolved in the water are left behind and form solid crystals.
Salt is dissolved in water and pepper not.
They are partially dissolved.
Amphetamine has a very low solubility in water.
Perchloric acid is dissociated in water.
nothing happens.
SO2
It easily dissolves and is disassociated.
Ionic salts are dissociated in ions.
They have to be soluble in water - dissolved
If too much chlorine is added Sulphurdioxide is used
This object become warmer, or react with water, or is dissolved.