dissolving
Dissolving dissolving! Watch your grammar. The best example is sugar cube dissolving in a water. Best way to dissolve it is to smash it, put it in water and then stir it.
a physical change
1. Dissolving with reaction - an example is dissolving in an acid - involve a chemical change because new compounds are formed. 2. Dissolving without a reaction - for example dissolution of table salt in water - is not a chemical change; only dissociation can occur.
a chemical reaction
no
It is a physical change.
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Yes, high pressure steaming is faster than atmospheric steaming
Reversible
Yes. It would go from solid to aqueous.
dissolving ammonium chloride in water