unit 1 review

unit 1 review

Assessment

Flashcard

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Science

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What ions are produced when an acid is dissolved in water?

Back

Hydrogen ions (H+) and anions.

2.

FLASHCARD QUESTION

Front

What is the characteristic taste of acids?

Back

Sour.

3.

FLASHCARD QUESTION

Front

What color does litmus paper turn when exposed to an acid?

Back

Red.

4.

FLASHCARD QUESTION

Front

What is the definition of an acid?

Back

A substance that donates hydrogen ions (H+) in a solution.

5.

FLASHCARD QUESTION

Front

What is the definition of a base?

Back

A substance that accepts hydrogen ions (H+) or donates hydroxide ions (OH-) in a solution.

6.

FLASHCARD QUESTION

Front

What ions are produced when hydrogen chloride gas is mixed with water?

Back

H+ and Cl-.

7.

FLASHCARD QUESTION

Front

What is the pH range of acids?

Back

Less than 7.

8.

FLASHCARD QUESTION

Front

What is the pH range of bases?

Back

Greater than 7.

9.

FLASHCARD QUESTION

Front

What is the strongest acid among common substances?

Back

Hydrochloric acid (HCl).

10.

FLASHCARD QUESTION

Front

What is the strongest base among common substances?

Back

Sodium hydroxide (NaOH).

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