Exploring Chemical Reactions Through Equations

Which of the following is NOT one of the five types of chemical reactions discussed?

• Combustion

• Combination

• Oxidation

• Decomposition

In a decomposition reaction, what is the minimum number of products formed?

• Three

• Four

• One

• Two

What is a common product of the decomposition of hydrogen peroxide?

• Methane

• Nitrogen gas

• Oxygen bubbles

• Carbon dioxide

Tags

NGSS.MS-PS1-5

Which of the following reactions involves combining two or more reactants to form a single product?

• Decomposition

• Combination

• Combustion

• Single replacement

Tags

NGSS.MS-PS1-5

What is a key characteristic of a combustion reaction?

• It always produces methane.

• It always involves water as a reactant.

• It always produces nitrogen gas.

• It always involves oxygen as a reactant.

What are the typical products of a combustion reaction?

• Water and carbon dioxide

• Hydrogen and nitrogen

• Sulfur dioxide and water

• Methane and oxygen

In a single replacement reaction, what happens to the elements involved?

• They decompose into multiple products.

• They combine to form a single product.

• Two elements swap places in two compounds.

• One element replaces another in a compound.

Which of the following is an example of a single replacement reaction?

• Formation of sodium chloride from sodium and chlorine

• Magnesium replacing copper in copper nitrate

• Decomposition of water

• Combustion of methane

In a double replacement reaction, what occurs between the elements?

• They combine to form a single product.

• They decompose into multiple products.

• One element replaces another in a compound.

• Two elements swap places in two compounds.

Which of the following reactions is an example of a double replacement reaction?

• Combustion of paraffin

• Decomposition of hydrogen peroxide

• Formation of NaCl and H2S from sodium sulfur and HCl

• Formation of magnesium nitrate and copper from magnesium and copper nitrate

Tags

NGSS.MS-PS1-5