Powdered juice dissolves faster in hot water, but tastes better in cold water.
Salt dissolves faster in cold water
salt dissolve faster in hot water
Sugar.
yes
Somewhat, but it dissolves faster in warm water.
Probably hot water.
salt
salt in hot water
salt in hot water
Sugar dissolves faster in hot water, because the water molecules move about faster when they are hot so, when you pour in sugar, the water mollecules will collide with the sugar and theredore sugar dissolves faster in hot water.
If you are asking if stuff dissolves faster in hot water then in cold water, the answer is yes. If that is not what you are asking, you'll have to clarify your question.