Dissolved in water containing coffee, not in coffee.
a physical change
Salt is dissociated in ions in the solution; sugar is not dissociated.
Salt is dissociated in ions in the solution; sugar is not dissociated.
Physical
okay let's say your putting sugar into coffee the solute is the sugar and solvent is the coffee. The Solvent coffee dissolves the solute "sugar" homogeneously amongst the solution. So the answer to your question is the solvent does the dissolving
Sugar is less dense than salt, leading to it dissolving faster.
Dissolving is a familiar process. Salt, for example, dissolves readily in water, as does sugar in coffee. On a molecular level, dissolving consists of the molecules of a solute -- salt or sugar -- encountering and pairing up with the molecules of a solvent -- water or coffee. Only when a successful pairing is made can the solute dissolve into the solvent. To increase the rate at which a solute dissolves, you must increase the rate at which molecules within the solute can encounter and subsequently pair with molecules within the solvent.
yeah... u can reverse the process n get the salt/sugar back...
Because after dissolving a solution is formed and separate substances are invisible now.
dissolving sugar or even salt in water is a physical change, because the salt or sugar is no longer in the gradual form it was in before it was put in the water
The coffee remains coffee, and the sugar is simply dissolved. Thus, it is a physical change.
By dissolving something in it, like salt or sugar.