science - iiii, Monday, October 29, 2007 at 8:08pm

What test would you need to perform to prove that it is the combination of glucose and the Glucose Indicator Solution that changes color when heated and not just the glucose or the Glucose Indicator Solution alone? Support your answer with an explanation.

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To prove that it is the combination of glucose and the Glucose Indicator Solution that changes color when heated, and not just the glucose or the Glucose Indicator Solution alone, you would need to perform a control experiment and compare the results.

Here's how you can set up the experiment:

1. Prepare three test tubes.
2. In the first test tube, add the Glucose Indicator Solution alone.
3. In the second test tube, add glucose alone.
4. In the third test tube, mix the Glucose Indicator Solution and glucose together.
5. Label each test tube accordingly.
6. Heat all three test tubes simultaneously.

Now, observe the results:

- If the Glucose Indicator Solution alone changes color when heated, then it would indicate that the indicator solution itself undergoes a color change due to the heat.
- If glucose alone changes color when heated, it would suggest that glucose undergoes a chemical reaction that causes the color change.
- However, if only the test tube with both the Glucose Indicator Solution and glucose changes color when heated, then it can be concluded that it is the combination of glucose and the indicator solution that produces a color change.

By comparing the results of these three test tubes, you can determine which component(s) contribute to the color change during heating. This experiment provides evidence to support the claim that it is the combination of glucose and the Glucose Indicator Solution that changes color, rather than either component alone.

I made it to 300 views :))))

You need to supply more information. What test are you doing? And what results do you expect from the test?