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True or false? In an exothermic reaction, reactants have a higher energy than the products.

Choose 1 answer

True

False

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Which one of these statements is true?

Choose 1 answer

Catalysts reduce the activation energy of a reaction

Catalysts add energy to the reaction

Catalysts increase the activation energy of a reaction

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Which of the statements about exothermic reactions are true?

Choose 3 answers

Exothermic reactions need to take in energy from the environment to break bonds.

Exothermic reactions become warmer as the reaction proceeds

An example of an exothermic reaction can be found in the air bags of cars.

Exothermic reactions give out energy as bonds are broken

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Answer incorrect

Look at the slide below to work out the answer.