【Daily Question】Deep Processing 20160422 Multiple Choice: Which of the following statements is NOT a characteristic of a catalyst? ( )
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Which of the following statements is not a characteristic of a catalyst? A. The presence of a catalyst improves the utilization of the heat generated in chemical reactions. B. A catalyst only shortens the time required to reach equilibrium; it does not change the equilibrium state. C. A catalyst participates in the catalytic reaction, but its chemical properties and quantity remain unchanged at the end of the reaction. D. The catalytic effect of a catalyst is selective. Answer: A. The presence of a catalyst improves the utilization of the heat generated in chemical reactions
The presence of a catalyst can improve the utilization efficiency of the heat generated in chemical reactions
The presence of a catalyst can improve the utilization efficiency of the heat generated in chemical reactions
The presence of a catalyst can improve the utilization efficiency of the heat generated in chemical reactions