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Acids and Bases

Authored by Tammy Beilke

Chemistry

9th Grade

NGSS covered

Used 3+ times

Acids and Bases
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

Acids; pH less than 7
Acids; pH greater than 7
Bases; pH greater than 7
Bases; pH less than 7

Tags

CCSS.RI.9-10.4

CCSS.RI.9-10.4

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The esophagus is the tube that connects the mouth to the stomach. Heartburn occurs when some of the stomach juices flow backwards up the esophagus. To help relieve heartburn, a person should take medicine that is

neutral
basic

acidic or basic.
acidic

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a base?

orange juice
water
vinegar
dishwashing detergent

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Carrie's teacher hands out test tubes filled with different chemicals and tells the students to identify their liquid as an acid, base, or neutral chemical. Carrie's test tube contains a clear chemical. She adds phenolpthalein to her test tube and gently moves the tube from side to side. A few moments later, the chemical in the test tube turns bright pink.
What type of chemical does Carrie have?

Carrie has a neutral chemical.
Carrie has an acidic chemical.
Carrie has a basic chemical.
The type of chemical Carrie has cannot be determined.

Tags

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Which of the following is an acid?

shampoo
baking soda
orange juice
water

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

3
9
7
5

7.

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

Tags

NGSS.MS-PS1-2

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