A、<p><span style="font-size: 10.5pt; font-family: 宋体;">显酸性</span></p>
B、<p><span style="font-size: 10.5pt; font-family: 宋体;">与三氯化铁试液显紫堇色</span></p>
C、<p><span style="font-size: 10.5pt; font-family: 宋体;">具有水解性</span></p>
D、<p><span style="font-size: 10.5pt; font-family: 宋体;">可溶于碳酸钠溶液</span></p>
E、<p><span style="font-size: 10.5pt; font-family: 宋体;">白色结晶性粉末，微溶于水</span></p>