Unit 3 Review

Unit 3 Review

Assessment

Flashcard

Science

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What does the Law of Conservation of Mass state?

Back

The mass in chemical reactions cannot be created nor destroyed, just rearranged.

2.

FLASHCARD QUESTION

Front

What type of reaction is represented by the equation ZnCl2 + Mg --> Zn + MgCl2?

Back

Single Replacement

3.

FLASHCARD QUESTION

Front

What type of reaction always starts with a Hydrocarbon that reacts with oxygen and produces carbon dioxide and water?

Back

Combustion

4.

FLASHCARD QUESTION

Front

Balance the equation: _Zn + _HCl --> _ZnCl2 + _H2

Back

1, 2, 1, 1

5.

FLASHCARD QUESTION

Front

What type of reaction involves one reactant breaking down into several products?

Back

Decomposition

6.

FLASHCARD QUESTION

Front

Define a chemical reaction.

Back

A process that leads to the transformation of one set of chemical substances to another.

7.

FLASHCARD QUESTION

Front

What is a reactant in a chemical reaction?

Back

A substance that takes part in and undergoes change during a reaction.

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