Sagot :
false
false
true
false
false
Explanation:
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true 41. Generally, the higher the concentration of the reacting substances, the faster is the reaction.
true 42. At lower temperature, chemical reactions occur at slower rates.
true 43. The bigger the surface area of the reactants, the faster the rate of reaction.
false, lower 44. Catalysts increase the rate of reaction by providing a reaction pathway with higher activation energy
false, activation 45. The minimum energy required to start a reaction is called bond energy.