广东省化州市2019届高三化学上学期第一次模拟考试试题(扫描版).doc

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1、 1 -广东省化州市 2019 届高三上学期第一次模拟考试理科综合化学试题- 2 - 3 - 4 - 5 -化州市 2019 年高考第一次模拟考试理科综合卷(化学)科参考答案一、选择题:7. B 8D 9. B 10. D 11. A 12. C 13 D三、非选择题:26 (每空 2 分,共 14 分)(1)第二周期第A 族 (2) 4 更小(3)Fe3 、Cl Br 2SO 22H 2O=4H SO 2Br 24(4)BD27 (每空 2 分,共 14 分)(1)3Cu8HNO 3(稀)= =3Cu(NO3)22NO4H 2O(2)CuH 2O22H =Cu2 2H 2O(3)Cu2O、

2、Cu 2S 0.3(4)2CuCO 2O 2H 2O=Cu2(OH)2CO3- 6 -(5)2Cu2 4I =2CuII 2 %100cVa28 (14 分)(1)2NH 4Cl+Ca(OH) 2 CaCl2+2H2O+2NH3(2 分) ;(2) (1 分) ;(3)A(1 分) ;(4)4NH 3+5O2 4NO+6H2O(2 分) ;无色气体变为红棕色(1 分) ;1:2(1 分) ;(5)H 2O2 (1 分) ;(6)N 2O5(1 分) ;酸性(1 分) ;非氧化还原(1 分) ; (7)A D(2 分) ;36化学一一选修 5:有机化学基础 (每空 2 分,共 16 分)(1) 羧基和羟基 苯乙烯(2) (3) 加成反应 浓硫酸、加热 (4) ad (5) 2

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