Acids and Bases Unit Test Practice
Chemistry
8th Grade
NGSS covered
Used 77+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A solution has a pH of 10. This solution can be described as ______.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An acid and a base of equal strength are combined and the result is a salt and water. This is an example of ____________.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Joanne dips some neutral litmus paper into a substance and it turns blue. The substance has a slippery feel and tastes chalky. This substance is most likely __________.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Matthew is testing a substance. It tastes sour, is corrosive, and turns neutral litmus paper red. What would be the most likely pH of this substance?
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Purple cauliflower flowers turn red when exposed to an acid. This is because cauliflower has a natural _______ present in it.
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A substance has a pH greater than water (pH of 7) but less than bleach (ph of 13). That means this substance is _______.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A solution is an electrolyte, has a neutral pH, and when the water is evaporated leaves behind a solid substance with a crystal structure. What is this substance most likely?
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