Chemical and Physical Changes (3.2)

Chemical and Physical Changes (3.2)

Assessment

Flashcard

Science

10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the law of conservation of mass?

Back

Mass cannot be created or destroyed in a chemical reaction.

2.

FLASHCARD QUESTION

Front

Give an example of a chemical change. Options: Melting of ice, Mixing of salt and water, Burning of wood, Cutting a piece of paper

Back

Burning of wood

3.

FLASHCARD QUESTION

Front

What is a physical change?

Back

A physical change is a change in the form or state of matter without any change in its chemical composition.

4.

FLASHCARD QUESTION

Front

True or False: According to the law of conservation of mass, mass can be created or destroyed during a chemical reaction.

Back

False

5.

FLASHCARD QUESTION

Front

What happens to the mass of a substance during a physical change?

Back

The mass of a substance remains constant.

6.

FLASHCARD QUESTION

Front

Example of a physical change.

Back

Melting ice into water.

7.

FLASHCARD QUESTION

Front

What is the difference between a chemical change and a physical change?

Back

A chemical change involves a chemical reaction that results in the formation of new substances with different properties, while a physical change only involves a change in the physical properties of a substance.

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