Endothermic vs Exothermic Reactions Quiz

What type of reaction occurs in a hand warmer?

• exothermic

• endothermic

Baking bread and cooking an egg are examples of....?

• Endothermic processes

• Exothermic processess

• None of these 

What is an endothermic reaction?

• A reaction that releases heat to the surroundings.

• A reaction that absorbs heat from the surroundings.

• A reaction that neither absorbs nor releases heat.

• A reaction that occurs only in the presence of light.

Which of the following is an example of an exothermic reaction?

• Photosynthesis

• Melting of ice

• Combustion of gasoline

• Evaporation of water

Which of the following reactions is endothermic?

• Freezing of water

• Respiration

• Dissolving ammonium nitrate in water

• Burning of wood

What is an exothermic reaction?

• A reaction that absorbs heat from the surroundings.

• A reaction that releases heat to the surroundings.

• A reaction that requires a catalyst to proceed.

• A reaction that occurs only in the presence of water.

Which of the following is a real-life application of an endothermic reaction?

• Hand warmers

• Instant cold packs

• Combustion engines

• Fireworks

Which of the following is a real-life application of an exothermic reaction?

• Photosynthesis in plants

• Baking bread

• Hand warmers

• Electrolysis of water

Which of the following chemical equations represents an exothermic reaction?

Which of the following chemical equations represents an endothermic reaction?