A、B、C、D四种化合物,在日常家庭生活中都有广泛的应用。通常情

ABCD四种化合物,在日常家庭生活中都有广泛的应用。通常情况下,AB为液态,CD为固态;A是生命之源,人们每天都必须饮用它;B是一种饮料的主要成分,又是实验室常用的燃料;C是人体生命活动提供能量的主要物质,有甜味;D常作干果的干燥剂,在盛D的试管中加入适量的A,试管发热,同时产生A蒸气。回答下列问题:

(1)A的化学式为        D的俗名是          

(2)写出AD反应的化学方程式:                

(3)从物质类别角度可将ADBC归为某一类物质,AD都属于        BC都属于     

答案

(1)H2生石灰

(2)CaO+H2O==Ca(OH)2

(3)氧化物或无机物   有机物

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