Question

Which of the following methods can be used to remove water from a mixture of sand and water?

A. Centrifuge
B. Filtration
C. Floatation
D. Magnetism

Answer 1

A. Centrifuge is the correct answer because centrifuge a machine with a rapidly rotating container that applies centrifugal force to its contents, typically to separate fluids of different densities or liquids from solids.

Answer 2

The answer is B. Filtration. it only lets the water through, while the sand will stay on top.