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COMBINED SCIENCE: TRILOGY
2 *02* IB/M/Jun19/8464/C/1H. 0 1 This question is about reactions of metals. Figure 1 shows what happens when calcium, copper, magnesium and zinc are added to hydrochloric acid. Figure 1 . 0 1 . 1 What is the order of decreasing reactivity of these four metals?
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