本题目来源于试卷: How Much How Fast & How Far E.2 Rate of Chemical Change，类别为 IB化学
[单选题]
Which of the following factors increases the rate of the reaction below?
$MG_ (s)$+$2HNO_3(aq)$→$Mg(NO_3)_2(aq)$+$H_2(g)$
A. Lowering the temperature
B. Decreasing the concentration of the acid
C. Increasing the volume of the acid
D. Using powdered magnesium instead of strips
参考答案: D
本题详细解析:
D Four factors that can increase the rate of a chemical reaction are: increasing the temperature of the reaction, adding a catalyst, increasing the concentration of the reactants and decreasing the solid particle size of the reactants.
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