Chemistry - Unit 1: MATTER

Chemistry - Unit 1: MATTER

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include changes in state, such as melting or freezing.

2.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It involves a chemical reaction and the breaking and forming of bonds.

3.

FLASHCARD QUESTION

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition and appearance throughout. The individual components are not distinguishable.

4.

FLASHCARD QUESTION

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed and can be easily distinguished from one another.

5.

FLASHCARD QUESTION

Front

How can a salt water solution be separated?

Back

A salt water solution can be separated by evaporation, which involves heating the solution to remove the water, leaving the salt behind.

6.

FLASHCARD QUESTION

Front

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

Back

A physical change does not alter the chemical composition of a substance, while a chemical change results in the formation of new substances with different properties.

7.

FLASHCARD QUESTION

Front

What is an example of a physical change?

Back

An example of a physical change is the freezing of water into ice.

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