Can chilli powder dissolve in water?
yes- if you heat it up it will dissolve faster
the substance can disslove in water (h2o) are most POWDER. Additional answer A powder is no more or no less able to dissolve in water than if that substance were NOT a powder. Powdering something does not help to make it soluble, though it might make it dissolve more quickly if it's able to dissolve at all. Some substances that dissolve to some extent are salt, sugar, calciul sulphate, copper chloride - millions of things
Most people would conclude that water can dissolve lemonade powder because of one or more of these assumptions: It is designed and formulated to dissolve in water. The instructions for mixing it say that it will dissolve in water. It is mostly sugar and sugar, being fairly polar dissolves in water. Lemonade is expected to be mostly a solution. You have witnessed the same brand of lemonade mix dissolve in water before.