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∙ 11y agoIt doesnt dissolve in cold water because of the salt that hot cocoa contains
Generally solubility increase with temperature; cocoa is only partially soluble in water.
The cocoa powder has to blended with a cold liquid in order to prevent lumps. Then it must be added to hot milk or water, then boiled to ensure thorough cooking.
Powdered Cocoa is a powder made from cacao seeds after they have been fermented, roasted, shelled, ground, and freed of most of their fat. It is used mostly in baking and making fudge, but can be used to make hot chocolate. Cocoa Mix is this mixture of cocoa powder, dry milk and sugar. It is combined with cold or boiling water to make a cold or hot, chocolate-flavored beverage.
One way to separate table salt from talcum powder is by dissolving the mixture in water. Salt will dissolve in water while talcum powder will not. After dissolving, the saltwater solution can be filtered to separate the salt from the talcum powder. The water can then be evaporated to recover the salt.
No, talcum powder will not dissolve in cold water. Talcum powder is insoluble in water, meaning it will not mix or dissolve in water at any temperature.
No, two totally different substances. First of all hot cocoa mixes contain sugar, powdered milk, salt, and cocoa powder and possibly some other ingredients. But cocoa powder is pure and is not any ingredients mixed together.
Hot water has higher kinetic energy than cold water, allowing the hot chocolate powder to dissolve more quickly due to increased molecular collisions and faster diffusion rates. Additionally, the heat from the hot water increases the solubility of the hot chocolate powder, facilitating a faster dissolution process.
I believe you are asking 'is hot cocoa better hot or cold'. If you make 'hot cocoa' with cold milk the cocoa will not dissolve and you will end up with lumpy not very well mixed chocolate milk.
Hot and cold water can separate due to differences in their temperature and density. When hot and cold water are combined, the hot water tends to rise to the top because it is less dense than the colder water below. This process is known as thermal stratification.
you get the milk powder and you mix it with the water (hot or cold) your choice
One way to separate talc from salt is by using a physical method called filtration. Talc is insoluble in water, so it can be separated from salt by dissolving the mixture in water, allowing the talc to settle at the bottom, and then filtering the solution to separate the talc from the salt.