Site MapHelpFeedbackPreQuiz
PreQuiz
(See related pages)





1What is the pH of pure water?
A)5
B)6
C)7
D)8


2Which of the following statements, concerning an acidic solution, is false?
A)In acidic solutions, as the concentration of hydrogen ions increases the solution becomes more acidic
B)In acidic solutions, any value of the pH scale above 7 is considered acidic
C)Microorganisms can grow in acidic solutions


3Bacteria usually adapt their internal environment to match their external conditions.
A)True
B)False


4A change of one pH unit represents a ____ fold increase or decrease in the hydrogen ion concentration.
A)1
B)5
C)10
D)100


5In the laboratory, what is added to media to stabilize the pH within acceptable limits?
A)Buffers
B)Proteins
C)Enzymes
D)Water





To learn more about the book this website supports, please visit its Information Center.
Copyright (c)2015 McGraw-Hill Education .
Any use is subject to the Terms of Use and Privacy Notice | Report Piracy


ChessOnline Learning Center

Home > Exercise 15 > PreQuiz