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Quiz by Oak National Academy: GCSE Chemistry AQA Foundation
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6 questions
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- Q1What is the role of a catalyst in a chemical reaction?It lowers the activation energy required for the reaction to start.It increases the activation energy required for the reaction to start.It has no effect on the activation energy.30s
- Q2What happens during an exothermic reaction?No energy transfer occurs.Energy is transferred from the surroundings to the reactants.Energy is transferred from the reactants to the surroundings.30s
- Q3What happens during an endothermic reaction?Energy is transferred from the reactants to the surroundings.Energy is transferred from the surroundings to the reactants.No energy transfer occurs.30s
- Q4______ is needed for a chemical reaction to start.Users enter free textType an Answer30s
- Q5What is energy transfer in a chemical reaction?the movement of energy from one store to anotherthe disappearance of energy during a reactionthe creation of energy in a reaction30s
- Q6What is the role of activation energy in a chemical reaction?the energy released during the reactionthe minimum energy needed for the reaction to startthe energy absorbed during the reaction30s