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Question
When performing a scientific investigation on an unknown substance, how can an indicator help you determine if the substance is a starch?(1 point)
Responses
The indicator will change the color of the substance.
The indicator will change the color of the substance.
The indicator will change the smell of the substance.
The indicator will change the smell of the substance.
The indicator will change the state of the substance.
The indicator will change the state of the substance.
The indicator will change the taste of the substance.
The indicator will change the taste of the substance.
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1 answer
The correct response is:
The indicator will change the color of the substance.
In the case of starch, a common indicator such as iodine will change color to a blue-black when it comes into contact with starch, helping to identify the presence of starch in the unknown substance.
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