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10 questions from this quiz
A reaction that gives out energy
Products have less energy
It increases
At a higher energy level
At a lower energy level than reactants
Heat and light
Neutralisation
Iron powder and oxygen
CaO+H2O→Ca(OH)2CaO + H_2O → Ca(OH)_2CaO+H2O→Ca(OH)2
Energy hill reactants must climb over
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