Unit 2 Review

Unit 2 Review

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a solvent in a solution?

Back

A solvent is the substance that does the dissolving in a solution.

2.

FLASHCARD QUESTION

Front

What happens to the rate of dissolution when the temperature of the solvent is increased?

Back

The rate of dissolution increases when the temperature of the solvent is increased.

3.

FLASHCARD QUESTION

Front

How does temperature affect the rate of dissolution for solids?

Back

Higher temperatures increase the rate of dissolution for solids.

4.

FLASHCARD QUESTION

Front

How can you distinguish between a physical and a chemical change?

Back

You can distinguish them by determining if a new substance is formed.

5.

FLASHCARD QUESTION

Front

How does increasing the surface area of a solid solute affect its dissolution in a solvent?

Back

Increasing the surface area of a solid solute increases the rate of dissolution.

6.

FLASHCARD QUESTION

Front

What is a solution?

Back

A solution is a homogeneous mixture of two or more substances.

7.

FLASHCARD QUESTION

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved, while a solvent is the substance that does the dissolving.

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