To Test for the Presence of Starch,iodine Can Be Used

question 41

Multiple Choice

To test for the presence of starch,iodine can be used.A positive reaction results in a black color.A dialysis bag filled with starch solution and secured on both ends is placed in iodine solution.After 30 minutes the dialysis bag appears black.Based on this information,what most accurately describes what happened?

• A)Due to its size and polarity,starch was able to exit the dialysis bag and interact with the iodine solution.
• B)Due to its size and polarity,iodine was able to enter the dialysis bag and interact with starch.
• C)Over time,both iodine and starch are equally distributed throughout the two solutions.

Differentiate between point and nonpoint sources of water pollution.

Recognize the ecological impacts of different pollutants on water bodies.

Understand the methods for reducing thermal water pollution.

Comprehend the effects of organic and inorganic waste on oxygen levels in water bodies.

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Definitions:

Voir Dire

Voir Dire is a legal process in jury selection where attorneys or the judge examine potential jurors to determine their suitability for serving on a jury, based on biases or preconceptions.

Ethical Conversation

A dialogue that focuses on moral principles and values to guide behavior and decision-making.

Right Thing

A moral or ethical action considered correct or beneficial in a given situation.

American International Group (AIG)

A multinational finance and insurance corporation headquartered in New York, known for its extensive global insurance operations.