Questions


December 2021 1 2 Report
A - If the first statement is TRUE and the second statement is FALSE
B - If the first statement is FALSE and the second statement is TRUE
C - If both statements are TRUE
D - If both statements are FALSE


1.- Chromatography is used to separate solids and liquids.
Sedimentation separates two components with different densities.
2. - Filtration separates two easily differentiated materials.
- Sieving is used to separate finer materials from bigger ones.
3.- The material collected after filtering is called the supernatant.
- Magnets are used to separate metals from nonmetals.
4.- Decantation needs a special device to work.
In flotation, the solids settle first before the liquid is poured out.
5.-Distillation is based on the varying solubilities of the components.
- Picking and scooping are the simplest methods of separating
mixtures.​

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