I think it is aluminum oxide
Answer:
Isotopes of an element are atoms of the same element that have different number of neutrons.
Separation will be achieved if one component adheres to the stationary phase more than the other component does.
When a solid (solute) comes in contact with the liquid (solvent), the solute goes about C) dissolution, in which the solid dissolves into the liquid.
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Answer:
The individual substances in a mixture can be separated using different methods, depending on the type of mixture. These methods include filtration, evaporation, distillation and chromatography.
Explanation: