MCQOPTIONS
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| 1. |
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 |
| Answer» B. Magnetic separation, Winnowing | |