Physical and Chemical Changes

Physical and Chemical Changes

Assessment

Flashcard

Chemistry

10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A process where substances combine or break apart to form new substances, often accompanied by energy changes, color changes, gas production, or precipitate formation.

2.

FLASHCARD QUESTION

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition, such as changes in state, shape, or size.

3.

FLASHCARD QUESTION

Front

Give an example of a chemical change.

Back

Burning wood, rusting iron, or digesting food.

4.

FLASHCARD QUESTION

Front

Give an example of a physical change.

Back

Melting ice, boiling water, or cutting paper.

5.

FLASHCARD QUESTION

Front

What is rust?

Back

A chemical change that occurs when iron reacts with oxygen and moisture, forming iron oxide.

6.

FLASHCARD QUESTION

Front

What happens during digestion?

Back

Food undergoes a chemical change as it is broken down into simpler substances by enzymes.

7.

FLASHCARD QUESTION

Front

What is fizzing an indicator of?

Back

Fizzing often indicates a chemical change, typically due to the release of gas.

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