The colorless solution of the following substances can be identified without other reagents：
<1> KOH , Na2SO4 , AlCl3
<2>NaHCO3 , Ba(OH)2 , H2SO4
<3>HCl , NaAlO2 , NaHSO4
<4>Ca(OH)2 , Na2CO3 , BaCl2

A. <1><2>
B.<2><3>
C.<1><3><4>
D <1><2><4>

Help, Lots thanks 谢谢帮助，朋友们

the maximum mass of nh3 is nh3 in grams

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.