My Favorite Food
I like different kinds of food. But my favorite food is mooncakes. I like them very much. They are very delicious and popular.
Mooncakes are delicious round cakes. Some have eggs or nut
下列化学反应属于中和反应的是( )
1﹣溴丙烷和2﹣溴丙烷分别与NaOH的乙醇溶液共热的反应中,两反应( )
通过化学学习,同学们对组成万物的基本物质有了进一步了解.