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Chemistry, 23.10.2019 18:50 mistymjoy

Which of the following reactions shows a double replacement reaction for cabr2 reacting with na2s?

cabr2 + 2na2s -> 2nasbr + ca

cabr2 + o2 + na2s -> cao2 + 2nabr + h2s

cabr2 + na2s -> 2nabr + cas

cabr2 + na2s -> 2casbr +2na

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