Pure substances and Mixtures

Pure substances and Mixtures

Assessment

Flashcard

Chemistry

8th 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 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

What is a mixture?

Back

A mixture is a combination of two or more substances where each substance retains its own properties. Mixtures can be homogeneous or heterogeneous.

3.

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, such as sand and iron filings.

4.

FLASHCARD QUESTION

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the components are uniformly distributed and cannot be easily distinguished, such as salt water.

5.

FLASHCARD QUESTION

Front

What is an element?

Back

An element is a pure substance that consists of only one type of atom and cannot be broken down into simpler substances.

6.

FLASHCARD QUESTION

Front

What is a compound?

Back

A compound is a pure substance formed when two or more different types of atoms chemically bond together.

7.

FLASHCARD QUESTION

Front

Give an example of a compound.

Back

An example of a compound is sodium chloride (table salt), which is made of sodium and chlorine atoms.

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