下列化学反应属于吸热反应的是(   ) A.NH4Cl与Ba(OH)2•8H2O研磨

下列化学反应属于吸热反应的是(  
A.NH4Cl
BaOH2•8H2O研磨
B.
生石灰溶于水
C.
镁与稀盐酸反应
D.
甲烷燃烧

答案

A

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