下列物质加入水中显著放热的是

1. A.
   生石灰
2. B.
   固体NaCl
3. C.
   蔗糖
4. D.
   固体NH₄NO₃

A.固体氢氧化钠               B.生石灰               C.无水乙醇              D.固体硝酸铵

A.固体NaOH                                                 

B.生石灰

C.无水乙醇                                                    

D.固体NH₄NO₃

A.食盐              B.生石灰                C.无水乙醇                   D.固体Ba(OH)₂·8H₂O

A.固体NaOH                       B.生石灰

C.无水乙醇                          D.固体NH₄NO₃