Exothermic and Endothermic Reactions Quiz

Which type of chemical reaction releases heat energy?

• Exothermic reaction

• Oxidation reaction

• Endothermic reaction

• Hydrolysis reaction

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What is an example of an exothermic reaction?

• Melting ice

• Burning of wood

• Boiling water

• Photosynthesis

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Which type of chemical reaction absorbs heat energy?

• Exothermic

• Combustion

• Oxidation

• Endothermic

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Can you provide an example of an endothermic reaction?

• The reaction between water and salt is an example of an endothermic reaction.

• The reaction between baking soda and vinegar is an example of an endothermic reaction.

• The reaction between fire and wood is an example of an endothermic reaction.

• The reaction between iron and oxygen is an example of an endothermic reaction.

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What is the main difference between exothermic and endothermic reactions?

• Exothermic reactions release heat energy, while endothermic reactions absorb heat energy.

• Exothermic reactions absorb heat energy, while endothermic reactions release heat energy.

• Exothermic reactions release cold energy, while endothermic reactions absorb heat energy.

• Exothermic reactions release light energy, while endothermic reactions absorb heat energy.

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In a chemistry class, Isla asked her teacher, 'In an endothermic reaction, does the temperature of the surroundings increase or decrease?'

• decrease

• stay the same

• fluctuate

• increase

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How are exothermic and endothermic reactions important in everyday life?

• They are only important in industrial processes

• They have no impact on the environment

• Exothermic and endothermic reactions are important in everyday life because they are involved in cooking, chemical reactions, and maintaining the temperature of the environment.

• Exothermic and endothermic reactions are not important in everyday life

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What happens to the temperature of the surroundings in an exothermic reaction?

• It decreases

• It stays the same

• It fluctuates

• It increases

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How are exothermic and endothermic reactions involved in cooking?

• They have no impact on cooking

• They are only important in industrial processes

• Exothermic and endothermic reactions are important in cooking because they are involved in processes like baking, frying, and boiling.

• Exothermic and endothermic reactions are not involved in cooking

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Can you provide an example of a natural exothermic reaction?

• Photosynthesis

• Burning of wood

• Boiling water

• Melting ice

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