A:CuSO4•5H2O是一种纯净物
B:溶于水后能电离出氢离子的化合物一定是酸
C:氯化钠溶液在电流作用下电离成钠离子和氯离子
D:SO3、NH3的水溶液均能导电,所以均是电解质
My name is Tom. I'm nine. This is my mother(母亲). Her name's Linda Johnson. Her telephone number is 13052864515. And this is my father(父亲). His name is Mike Johnson. His phone number is 13120884699. And this is my sister(姐妹). What's her name? Her name is Mary. Look! The boy is my brother(兄弟) Nick. Mary is eight and Nick is six.