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There was a powdery residue left over after I evaporated the solution.
Residue refers to the material remaining after an evaporation.
Burning (an oxidation reaction) is a chemical change,
In chemistry residue is whatever remains or acts as a contaminant after a given class of events. Residue may be the material remaining after a process of preparation, separation, or purification, such as distillation, evaporation, or filtration. It may also denote the undesired by-products of a chemical reaction.
When charcoal is formed carbon dioxide gas is produced. C + O2 = CO2
There was a powdery residue left over after I evaporated the solution.
Ash
That is the correct spelling of the word "residue" (remaining, as of a spilled material).
Residue refers to the material remaining after an evaporation.
This depends on the procedure.
Bagasse
A residue is something left over. Fires usually leave a residue of ash.
yes
BASIC or, MARC - the grapes contained in the wine press and the residue, as skins and pips, remaining after the juice is expressed. In France, they make a brandy from this residue.
The remaining matter after pressing. Esp grapes
Burning (an oxidation reaction) is a chemical change,
Burning (an oxidation reaction) is a chemical change,