2C Test: Acids & Bases (Regular)

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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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

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

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lower pH than pure water

Tags

NGSS.MS-PS1-2

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essential for life

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-5

NGSS.MS-LS1-6

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higher pH than pure water

Tags

NGSS.MS-PS1-2

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sour taste

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turns litmus paper blue

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tastes bitter

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conducts electricity

Tags

NGSS.MS-PS1-2