of course it does because it is shredded to particles
Flour does not dissolve in milk, but it does mix with milk.
This depends of many factors: temperature, stirring, geometry of container, volume of water, mass of milk, agglomeration of milk powder.
The cocoa powder is the solute, and the milk is the solvent.- - - - -Cocoa powder doesn't dissolve in milk. It forms a "suspension." The milk is a carrier.
Yes it will because of the minute particles inside baking powder
yes
This depends on the temperature, stirring, ratio milk/water, time of adding water to powder, volume of the water aliquotes, etc.
The water will change it's color and taste.
salt sugar milk powder
Iron powder is not soluble in water.
Talcum powder is insoluble in water.
Coco powder doesn't dissolve because of the density.
It won't. Put powdered milk in cold water to dissolve.