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Answer:
C
Explanation:
Since the solution have an observable color, that means that it absorbs light in the visible region hence it can be determined by colorimetry. Secondly, KMnO4 is a reducing agent which can be titrated against an oxidizing agent and it's concentration accurately determined.
<span>A.to calculate the amount of product that would form
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Glucose is a simple sugar with the molecular formula C6H12O6. It is a carbohydrate.
Answer:
B
Explanation:
B It’s a physical change because the water and the salt kept their original properties.
