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The leaf from apparatus A tested … (positive/ negative) for starch because it turned … (blue-black/ brown) in colour, while the leaf from apparatus B tested … (positive/ negative) for starch because it turned … (blue-black/ brown) in colour. ( Type your answers in separating them with commas)

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TeachSABot
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TeachSABot
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Negative, brown, positive, blue-black

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