Science 6.5 PH Scale Question Preview (ID: 12934)
This Is A Review Of What We Learned In Science 6.5 About How To Classify Items As Acids Or Bases According To PH.
TEACHERS: click here for quick copy question ID numbers.
What kinds of substances have a pH above 7?
a) acids
b) bases
c) ions
d) buffers
What are substances that minimize changes in pH in acids and bases?
a) ions
b) weak bases
c) strong acids
d) buffers
A pH of 9 is an example of what?
a) a weak acid
b) a strong acid
c) a weak base
d) a strong base
What is an example of a buffer within a person's mouth?
a) saliva
b) gums
c) teeth
d) tongue
Why are buffers important to humans?
a) Buffers help keep the body at the correct temperature- not too hot and not too cold.
b) Buffers keep the teeth from getting cavities because it acts as a cleaning agent.
c) Buffers helps a person maintain the correct oxygen levels.
d) Buffers keep body pH within the range necessary for healthy function.
What kinds of substances have a pH below 7?
a) acids
b) bases
c) ions
d) buffers
What is the name of the chart used to determine whether an item is an acide of a base?
a) Hp scale
b) aB scale
c) pH scale
d) Ab scale
A pH of 1 is an example of what?
a) a weak acid
b) a strong acid
c) a weak base
d) a strong base
What are some foods that are strong acids?
a) chicken & turkey
b) many citrus fruits & tomoatoes
c) soup & salad
d) bread & biscuits
What term is used to describe when the body tries to maintain balance in all its systems?
a) equality
b) energy
c) eclectic
d) equilibrium
Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 12934 in the upper right hand corner or click here.
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 12934 in the upper right hand corner or click here.
TEACHERS / EDUCATORS
Log In | Sign Up / Register
Log In | Sign Up / Register