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2C Test: Acids & Bases (Regular)

Authored by PAULA DOWDY

Science

8th Grade

NGSS covered

2C Test: Acids & Bases (Regular)
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14 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image


Explain which substance is most acidic, least acidic, and most neutral. Use the values in the image to explain your answer.



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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This question has two parts. First, answer Part A. Then answer Part B.

Part A

In a beaker, 50 mL of an acid with a pH of 3.5 is added to 50 mL of a base with a pH of 10.5. What will happen when this acid and base combine? 


  • The product will be acidic. 

  • The product will be basic.

  • They will each become stronger.

  • They will neutralize each other.

Tags

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This question has two parts. First, answer Part A. Then answer Part B.

Part A

In a beaker, 50 mL of an acid with a pH of 3.5 is added to 50 mL of a base with a pH of 10.5. What will happen when this acid and base combine? 

Answer options for Part A were:

  • A. The product will be acidic. ; B. The product will be basic.; C. They will each become stronger.; D. They will neutralize each other.

Part B

Which statement supports the answer in Part A?

  • Acids are always stronger than bases, and when acids and bases are combined, the product remains acidic.

  • The original properties become lost during the process.

  • The original properties become stronger during the process.

  • Bases are always stronger than acids, and when acids and bases are combined, the product remains basic.

Tags

NGSS.MS-PS1-2

4.

HOTSPOT QUESTION

1 min • 1 pt

Click the correct area to place the property listed.

lower pH than pure water

Tags

NGSS.MS-PS1-2

5.

HOTSPOT QUESTION

1 min • 1 pt

Click the correct area to place the property listed.

essential for life

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-5

NGSS.MS-LS1-6

6.

HOTSPOT QUESTION

1 min • 1 pt

Click the correct area to place the property listed.

higher pH than pure water

Tags

NGSS.MS-PS1-2

7.

HOTSPOT QUESTION

1 min • 1 pt

Click the correct area to place the property listed.

sour taste

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