1.单选题- (共4题)
2.选择题- (共6题)
6.亚运会上使用的发令枪所用的“火药”成分是氯酸钾和红磷,经撞击发出响声,同时产生白色烟雾。撞击时发生反应的化学方程式为:5KClO3+6P="3" P2O5+5KCl,则下列有关叙述错误的是
10.
Some of the exercises appear to be____ ones that you have done, but after taking _____ second look, you will find that they are different.
Some of the exercises appear to be____ ones that you have done, but after taking _____ second look, you will find that they are different.
3.填空题- (共1题)
4.解答题- (共1题)
试卷分析
-
【1】题量占比
单选题:(4道)
选择题:(6道)
填空题:(1道)
解答题:(1道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:0
9星难题:6