Physical and Chemical Changes

Physical and Chemical Changes

Assessment

Flashcard

Chemistry

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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12 questions

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1.

FLASHCARD QUESTION

Front

A student heats a beaker of water with a hot plate and over time, the water begins to bubble, the volume decreases and vapor is visible. This is an example of a ____________ change.

Back

Physical

2.

FLASHCARD QUESTION

Front

Cutting a tree limb into logs is (a)____________ and burning them in the fireplace is (b)____________.

Back

(a) A Physical Change, (b) A Chemical Change

3.

FLASHCARD QUESTION

Front

Conclusion from lithium metal reacting with water?

Back

A new substance is created because this is a chemical change.

4.

FLASHCARD QUESTION

Front

A white crystalline powder is mixed with water. No temperature change is observed but the solid disappears. This must be a __________ change.

Media Image

Back

Physical

5.

FLASHCARD QUESTION

Front

When two liquids are mixed and a solid is formed, the new solid is called a ________________.

Back

Precipitate

6.

FLASHCARD QUESTION

Front

Percy is cutting the grass and picks up the clippings. He hates lawn work but loves the smell of cut grass. Percy has created a _________ change.

Back

Physical

7.

FLASHCARD QUESTION

Front

True or false: A chemical reaction requires at least one liquid at the start.

Back

False

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