Chemical Reactions and Combustion Quiz

What is the word equation for rusting?

• Iron + water + oxygen → rust

• Iron + carbon + oxygen → rust

• Iron + water + nitrogen → rust

• Iron + hydrogen + oxygen → rust

What is the balanced chemical equation for rusting?

• Fe + 2H2O + O2 → Fe(OH)2

• 4Fe + 6H2O + 3O2 → 4Fe(OH)3

• Fe + H2O + O2 → Fe(OH)3

• 2Fe + 3H2O + O2 → 2Fe(OH)3

What is produced during complete combustion of hydrocarbons?

• Carbon monoxide and carbon

• Carbon and water

• Carbon dioxide and water

• Carbon monoxide and water

What is produced during incomplete combustion of hydrocarbons?

• Carbon monoxide and water

• Carbon dioxide and water

• Carbon monoxide and carbon

• Carbon dioxide and carbon

What is the chemical equation for the reaction of magnesium with oxygen?

• Mg + 2O2 → MgO2

• 2Mg + O → 2MgO

• 2Mg + O2 → 2MgO

• Mg + O2 → MgO

What type of reaction is observed when a substance burns?

• Combustion

• Corrosion

• Reduction

• Oxidation

What is the word equation for the reaction of hydrogen with oxygen?

• Hydrogen + oxygen → hydrogen peroxide

• Hydrogen + oxygen → water

• Hydrogen + oxygen → hydrogen oxide

• Hydrogen + oxygen → hydroxide

What is the chemical equation for the reaction of carbon with oxygen?

• C + O2 → CO

• 2C + O2 → 2CO

• C + O2 → CO2

• C + 2O2 → CO2

What type of oxides are formed when non-metals react with oxygen?

• Acidic oxides

• Amphoteric oxides

• Neutral oxides

• Basic oxides

What is the general word equation for complete combustion of hydrocarbons?

• Hydrocarbon + oxygen → carbon dioxide + carbon

• Hydrocarbon + oxygen → carbon + water

• Hydrocarbon + oxygen → carbon dioxide + water

• Hydrocarbon + oxygen → carbon monoxide + water