Composition Decomposition

Composition Decomposition

9th - 11th Grade

12 Qs

quiz-placeholder

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Composition Decomposition

Composition Decomposition

Assessment

Quiz

Chemistry

9th - 11th Grade

Practice Problem

Hard

NGSS
MS-PS1-2, HS-PS1-7, MS-PS1-5

Standards-aligned

Created by

Charles Martinez

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A chemical change in which two or more substances react to form a new substance is a ____________________________.

decomposition reaction
combination reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Another name for a combination reaction is a _________________.

decomposition reaction
single-replacement reaction
synthesis reaction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A decomposition reaction can be represented as _____________________.

AB  → A + B
A + B → AB
AB + CD → AC + BD
A + BC → B + AC

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A combination reaction can be represented as ________________________.

AB + CD → AC + BD
AB → A + B
A + B → AB
A + BC → B + AC

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A chemical change in which a single compound breaks down into two or more simpler products is called a ______________________.

single-replacement reaction
combination reaction
double-replacement reaction
decomposition reaction

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This chemical equation for mercury oxide is an example of what type of reaction?
2HgO  → 2Hg + O2

decomposition reaction
combination reaction

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This chemical equation for magnesium oxide is an example of what type of reaction?
2Mg + O→ 2MgO

decomposition reaction
combination reaction

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