1) Mang Juan just harvested rice and had it dried along the road. There was an ongoing road repair in the opposite lane near where he placed the rice. What do you think is the best way to clean his rice? a) Use winnowing b) Use thresher machine c) Use a magnetic destoner d) Use sifter 2) What is the main reason why Mang Juan needs to have his rice seeds cleaned? a) To make it beautiful. b) To make it sellable. c) To make it more nutritious. d) To make it safe for consumption. 3) How does a rice destined separate mixtures? a) The stones, mud balls and small metals are attracted to the magnet, and separated from rice grains. b) The magnet points to the north and separate the stone from the rice seed. c) The rice seed has it shell or husk removed by the magnet. d) The rice becomes white after passing the magnet. 4) The following are products that can be produced by magnetic separator in a junkyard EXCEPT for: a) Aluminum cans b) Aluminum pens c) Car bodies d) Eco bricks 5) In which cases below is magnetic separators used in medical industry? a) For x-ray. b) For isolation of cell used in stem cell and cancer cases. c) For production of medicines to make people younger. d) For making medicine more effective.

Separating Mixtures using Magnets

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