Chemical Reactions Quiz

What is the process by which energy, such as heat, is spread out or dispersed, often reducing the intensity of the energy?

• Oxidation Reaction

• Combustion

• Dissipate

• Endothermic Reaction

Which type of reaction releases energy in the form of heat to its surroundings?

• Dissipate

• Endothermic Reaction

• Oxidation Reaction

• Exothermic Reaction

What is an example of an exothermic reaction?

• Neutralization Reaction

• Endothermic Reaction

• Photosynthesis

• Combustion

What is the result of a substance combining with oxygen in a combustion reaction?

• Electricity

• Heat

• Sound

• Light

In an exothermic reaction, what happens to the energy of the surroundings?

• Disappears

• Decreases

• Stays the same

• Increases

What is the reaction between iron and oxygen known as?

• Rusting

• Combustion

• Oxidation

• Neutralization

What is the purpose of painting iron to protect it from rusting?

• Prevent rusting

• Increase rusting

• Change the color of rust

• Speed up rusting

Which type of reaction absorbs energy from its surroundings?

• Dissipate

• Exothermic Reaction

• Oxidation Reaction

• Endothermic Reaction

What is the result of an endothermic reaction on the surrounding area?

• Cooler

• Warmer

• Depends on the reaction

• No change

What is the product formed when iron reacts with oxygen and water?

• Water Vapor

• Iron Oxide (Rust)

• Carbon Dioxide

• Hydrogen Peroxide