Decomposition Reactions and Products

Decomposition Reactions and Products

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Lucas Foster

FREE Resource

This video tutorial by Dr. B focuses on predicting the products of decomposition reactions, specifically metal oxides like sodium oxide, potassium oxide, and iron(III) oxide. The video explains the decomposition process, where metal oxides break down into their constituent metal and oxygen gas. It emphasizes the pattern used to predict these products without balancing equations or writing states. The tutorial also directs viewers to additional resources for learning about other types of chemical reactions.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the video regarding decomposition reactions?

Decomposition of organic compounds

Decomposition of metal oxides

Decomposition of acids

Decomposition of bases

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When sodium oxide decomposes, what are the products formed?

Sodium chloride

Sodium hydroxide

Sodium and oxygen gas

Sodium and water

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the pattern used to predict the decomposition of metal oxides?

Metal oxide decomposes into metal and oxygen gas

Metal oxide decomposes into metal and carbon dioxide

Metal oxide decomposes into metal and nitrogen gas

Metal oxide decomposes into metal and hydrogen gas

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the products of the decomposition of potassium oxide?

Potassium and carbon dioxide

Potassium and hydrogen gas

Potassium and oxygen gas

Potassium and nitrogen gas

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is released as a gas when potassium oxide decomposes?

Carbon

Nitrogen

Hydrogen

Oxygen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for iron(III) oxide?

FeO2

Fe3O4

Fe2O3

FeO

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When iron(III) oxide decomposes, what are the products?

Iron and carbon dioxide

Iron and oxygen gas

Iron and hydrogen gas

Iron and nitrogen gas

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