question_answer

A mixture contains three different substances X, Y and Z. They are of same size and same colour. X particles are heavy and non-magnetic. Y particles are light and non-magnetic. While Z particles are magnetic. Which of the following methods can be used to separatate these particles?

A) Handpicking followed by filtration

B) Winnowing followed by magnetic separation

C) Magnetic separation followed by sieving

D) Sublimation followed by distillation