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Chemical reactions

Chemical reactions

Assessment

Flashcard

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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22 questions

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1.

FLASHCARD QUESTION

Front

a substance that is formed as the result of a chemical reaction

Back

Product 

2.

FLASHCARD QUESTION

Front

Describes the number of atoms in a compound of each element.

Back

subscript

3.

FLASHCARD QUESTION

Front

During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______.

Back

Cold

4.

FLASHCARD QUESTION

Front

In a ___________ change, a substance changes into a different substance.

Back

Chemical

5.

FLASHCARD QUESTION

Front

What happens to a copper penny after a few years?

Media Image

Back

It turns greenish due to a chemical change.

6.

FLASHCARD QUESTION

Front

How many Al atoms are in this compound? 4Al2O3

Back

8

7.

FLASHCARD QUESTION

Front

Which of these is NOT a sign that a chemical change has occurred? A loss of transparency, An unexpected color change, A temperature change, The formation of a precipitate

Back

A loss of transparency

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