salt
If you put salt in warm or cold water it dissolves better and faster than baking soda.
It dissolves in both cold and warm.
Salt dissolves quicker!
if you add baking soda to warm or cold water it will dissolve better and faster than salt!
Powdered juice dissolves faster in hot water, but tastes better in cold water.
coffee
salt dissolve faster in hot water
Sugar.
Somewhat, but it dissolves faster in warm water.
yes
Probably 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.