SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All chemical reactions need a certain amount of ____ to get started.
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catalyst
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energy
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activation energy
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decomposition
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chemical changes
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Explanation:
Detailed explanation-1: -To begin, every chemical reaction necessitates a certain quantity of energy is required to overcome the repulsive force between reactants. Activation energy is the difference between the threshold energy and energy possessed by the reacting molecule.
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