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BIO 121 - Questions with Correct Answers

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BIO 121 - Questions with Correct Answers

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BIO121 7 Questions with Correct Answers


Question 1:
Human body is composed of many
Answer:
Ans-chemicals



Question 2:
Chemistry can broken down into
Answer:
Ans-basic chemistry and biochemistry



Question 3:
Atoms
Answer:
chemically combine with other atoms to form molecules and compounds



Question 4:
molecule
Answer:
general term for 2 or more atoms bonded together



Question 5:
compound
Answer:
specific molecule that has 2 or more different kinds of atoms bonded together



Question 6:
Chemical Reactions
Answer:
occur when chemical bonds are formed, rearranged, or broken

, Question 7:
Chemical equations contain
Answer:
Ans-reactants and products



Question 8:
Synthesis Reactions
Answer:
A + B --> AB



Question 9:
Decomposition Reactions
Answer:
AB --> A + B



Question 10:
Exchange Reactions
Answer:
AB+C--->AC+B AB+CD--> AD+CB



Question 11:
Factors Influencing Rate of Chemical Reactions
Answer:
Temperature: increased temperatures increases rate



Question 12:
Catalysts
Answer:
Increase the rate of reaction, without being chemically changed or becoming part of product

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