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Pure substances & Mixtures 9.1 Practice Test

Pure substances & Mixtures 9.1 Practice Test

Assessment

Flashcard

Science

8th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Student preview

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout. It can be an element or a compound.

2.

FLASHCARD QUESTION

Front

Define a compound.

Back

A compound is a pure substance made of two or more different elements that are chemically combined in a fixed ratio.

3.

FLASHCARD QUESTION

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined and can be separated by physical means.

4.

FLASHCARD QUESTION

Front

Differentiate between homogeneous and heterogeneous mixtures.

Back

Homogeneous mixtures have a uniform composition throughout (e.g., saltwater), while heterogeneous mixtures consist of visibly different substances or phases (e.g., salad).

5.

FLASHCARD QUESTION

Front

What is a homogeneous mixture of elements called?

Back

A homogeneous mixture of elements is called a solution.

6.

FLASHCARD QUESTION

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the components are not uniformly distributed, and different parts can be seen (e.g., a mixture of sand and iron filings).

7.

FLASHCARD QUESTION

Front

What are the two main categories of matter?

Back

The two main categories of matter are pure substances and mixtures.

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