First separation project: Filtered the sand to separate calcium chloride using a wire net
Def. to pass through or as through a filter.
Neither separation project!
Def. the purification or concentration of a substance, the obtaining of the essence or volatile properties contained init, or the separation of one substance from another, by such a process.
Chromatography-
Second separation project: The ink was spreading out on the filter paper
Def. separation of mixtures into their constituents by preferential adsorption by a strip of filter paper
Centrifugation-
Neither separation project!
Def. spinning a mixture to separate substances
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