Chemical Reactions

Chemical Reactions

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What are the starting materials in a chemical reaction?

Back

Reactants

2.

FLASHCARD QUESTION

Front

What type of reaction is represented by AB → A + B?

Back

Decomposition

3.

FLASHCARD QUESTION

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

4.

FLASHCARD QUESTION

Front

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

Back

Product

5.

FLASHCARD QUESTION

Front

Balance the equation: _K + _Cl₂ → _KCl

Back

2 K + 1 Cl₂ → 2 KCl

6.

FLASHCARD QUESTION

Front

What is a chemical reaction?

Back

A process that involves the transformation of one or more substances into different substances.

7.

FLASHCARD QUESTION

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

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