Chemistry, 03.01.2020 20:31 DarkWolf983

Which of these mixtures are heterogeneous? 1.brass (an alloy of copper and zinc) 2.granite (a type of rock with multicolor spots) 3.oil and water 4.salt and water

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Which of these mixtures are heterogeneous? 1.brass (an alloy of copper and zinc) 2.granite (a type...