Question

A mixture contains three different substances X, Y and Z. They are of the same size, cubical in shape and yellow in colour. X particles are very heavy, insoluble, non-magnetic and contribute 50% of the mixture. Y particles are very light, insoluble, non-magnetic and contribute 40% of the mixture. And Z particles are iron pieces. Which of the following methods can separate X, Y and Z?
a)Winnowing, Magnetic separation b)Magnetic separation, Winnowing
c)Sieving, Magnetic separation. Filtration d)Handpicking, Sublimation, Sieving

My question is: is it A or B??? They are the same thing...

Answer 1

Answer:

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