Acid and Base Using pH Scale
Authored by Charles Martinez
Chemistry
7th - 9th Grade
NGSS covered
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pure water has a pH of 7. Pure water _______.
is a base
is a neutral substance
could be either an acid or a base
is an acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Many cleaning solutions are bases. Which of the following is a property of most bases?
feels slippery
white color
can only be liquid
tastes sour
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
strongly acidic
slightly acidic
strongly basic
slightly basic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the stronger acid?
pH 1
pH 4
pH 8
pH 13
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which has a pH above 7?
Acid
Base
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which has a pH below 7?
Acid
Base
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What methods can you use to measure the pH of a solution?
Observing color or clarity
Measuring mass or volume
Measuring density or electrical conductivity
Using acid base-indicators or pH meters
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