Jlans 29 Name Date Section REVIEW Check Your Recall a neutral solution has a pH Fill in the blanks: An acidic solution has a pH value of value of , and a basic (alkaline) solution has a pH value of and its pH will 2 Adding hydrogen ions to a solution will make the solution more a. acidic; increase b. basic; increase C. acidic; decrease d. basic; decrease 3 What does a buffer do when hydrogen ions are added to a solution? a. The buffer keeps the pH of a solution neutral. b. The buffer releases base ions. C. The buffer releases additional hydrogen ions. d. The buffer binds the hydrogen ions to remove them from the solution. 4 Which of the following statements about chemical reactions is false? a. The rate of a chemical reaction increases when temperature decreases. b. A chemical reaction occurs when chemical bonds are formed, broken, or rearranged. c. A chemical reaction occurs when electrons are transferred between molecules. d. All of the above are true. 5 How does an enzyme affect the rate of a chemical reaction? 6An enzyme that has lost its shape a. is denatured and no longer functional. b. is denatured but still functional. is not different from a regular enzyme as shape is not important. d. can be restored by extreme temperatures or pH swings. 7 Fill in the blanks: Electrons are in an ionic bond, whereas they in a polar covalent bond, and are in a nonpolar covalent bond. Chomi

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questions based on the figure below,  Name the structure shown in A Name the structure AND function of B and its function  Name the structure AND function of C and its function,