Equipment: Copper oxide powder, dilute 0.5 mol L-1 sulfuric acid,50 ml measuring cylinder, two 100 ml beakers, Bunsen burner, tripod, gauze mat, funnel, filter paper, Thermometer, Spatula, evaporating basin, stirring rod.
Method - put a little weight boat in n the middle of the petri dish. You put sulfuric acid in the weight boat and sodium sulfate. Around the weight boat you put a lot things that would react with the sulfuric acid and sodium sulfate, here's all of the things that went on the petri dish around the weight boat, blur litmus paper, a bit of apple, a petal, calcium carbonate, bromothynol blue and universal indicator
Result - The only result were that the blue litmus paper turned pink and so did, a universal indicator
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