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CHEM 101 EXAM QUESTIONS AND ANSWERS UPDATED 2024

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CHEM 101 EXAM QUESTIONS AND ANSWERS UPDATED 2024 All of the following are reasons why chemistry is known as the "central science", EXCEPT: A. Many biological processes involve chemical reactions. B. Because it intersects with and provides a basis for a variety of other scientific disciplines. ...

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CHEM 101 EXAM QUESTIONS AND
ANSWERS UPDATED 2024

All of the following are reasons why chemistry is known as the "central science", EXCEPT:




A. Many biological processes involve chemical reactions.




B. Because it intersects with and provides a basis for a variety of other scientific disciplines.




C. Because it is crucial to understanding other scientific concepts like energy transfer.




D. Because it was created to study all other sciences. - Answer✔✔-Because it was created to

study all other sciences.


Which of the following questions is the best example of a question that could be answered or

explained by studying chemistry?




A. Which part of the country has the most salt-water lakes?


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B. What is the identity of this unknown substance?




C. What is the angle of refraction when light enters water?




D. What is the acceleration of a race car in meters/second? - Answer✔✔-What is the identity of

this unknown substance?


Why is chemistry helpful in understanding how a toaster creates the brown color and crispy

texture of toast?




A. The properties of the bread molecules are changing in the toaster.




B. The toaster uses electricity.




C. The composition and/or properties of the surface of the toast are somehow changed by the

toaster.




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D. The process takes place in the atmosphere. - Answer✔✔-C. The composition and/or

properties of the surface of the toast are somehow changed by the toaster.


Which word BEST completes the sentence below:




_________ are any substance made up of matter and can be natural or man-made.




A. atoms


B. chemicals


C. molecules


D. elements - Answer✔✔-B. chemicals


Chemistry helps to create:




A. New mathematical equations


B. New ideas about how humans connect


C. New ways to harness renewable energy


D. New theories on spiritual connections - Answer✔✔-C. New ways to harness renewable

energy


Chemistry is best defined as the study of which of the following?

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A. the properties of living organisms


B. the electrical nature of matter


C. the properties and history of the earth's physical structure and substance


D. the properties and interactions of matter - Answer✔✔-D. the properties and interactions of

matter


Which of the following are involved in the study of chemistry?




A. the motion of planets in outer space


B. the structure and function of organs in living systems


C. the interactions between energy and matter


D. The changes in the composition and structure of matter - Answer✔✔-D. The changes in the

composition and structure of matter


Many sciences are important in understanding how hormones are synthesized in the body.

Which science would a doctor be required to have a basic knowledge of in order to understand

these chemical processes?




A. chemistry


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