A spoon. A beaker partially filled with liquid. A stirring rod. A graduated cylinder. Distilled water in a spray bottle. Which of the following tools could have become cross-contaminated during the experiment if you had not cleaned them carefully between successive tests? Spoon Beaker Stirring Rod Graduated Cylinder Distilled water in spray bottle.
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This is a mixture that has the same composition throughout.
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A spoon. A beaker partially filled with liquid. A stirring rod. A graduated cylinder. Distilled wate...
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