An antacid has a ph less than seven: true or false
What is false
100
Conducts electricity and feels slippery are examples of:
a. bases
b. acids
c. none of these are correct
What is a, bases?
100
solution with a pH above 7
What is base?
100
True or False
All acids are more corrosive than bases.
What is False?
100
Indicators solutions can determine ________________.
What is how acidic or basic a solution is?
200
Which of the following are acids: baking soda, lemon juice, vinegar
What is lemon juice and vinegar?
200
A solution pH of 13 is a
a. strong acid
b. strong base
c. weak base
What is b, strong base?
200
solution with a pH of 3
What is acid?
200
Rainwater with a pH of 5 is considered acid rain.
True or false
What is true?
200
The pH in pH scale refers to .....
a. the potential of hydroxide
b. the potential of hydrogen
c. the potential of hydronium
What is b, the potential of hydrogen?
300
Which of th following are acidic: bleach, ammonia, soap, substance found in alkaline batteries, none of these are acidic?
What is alkaline batteries?
300
Choose the weakest base:
a. pH 2.5
b. pH 5.2
c. pH 8.9
What is c, pH 8.9?
300
reactive with metals
What is acid?
300
Human blood has a pH of ________.
What is 7.4?
300
Which has the following substance has a pH of 7:
a. tap water
b. salt water
c. distilled water
d. all of the above
What is d, all of the above?
400
Bile, an acidic body fluid used in digestion, has a high concentration of hydronium ions. Predict the pH.
a. less than 7
b. 7
c. greater than 7
What is a, less than 7?
400
Choose the most true statement about a base:
a. accepts H+ ions in water
b. releases H+ ions in water
c. turns litmus paper red
What is a, accepts H+ ions in water?
400
taste bitter
What is base?
400
A solution is neutral if :
a. it has more hydronium ions than hydroxide ions
b. it has more hydroxide ions than hydronium ions
c. the number of hydronium ions and hydroxide ions are equal.
What is c, the number of hydronium ions and hydroxide ions are equal?
400
What is the total range of a pH scale?
What is 0-14?
500
A solution with a pH of 1.5 is a:
a. weak base
b. weak acid
c. strong acid
What is c, strong acid?
500
A strong base is......
a. the more H3O+ ions present
b. the more OH- ions present
c. the fewer OH- ions present
What is b, the more OH- ions are present?
500
solution feels slippery
What is base?
500
Which statements are true:
a. strong bases have lower pH values than weak bases
b. weak bases have lower pH values than strong bases
c. strong acids have lower pH values than weak acids
What is b and c are correct?
500
What number on the pH scale represents something that is neutral?