黑龙江省哈尔滨师范大学附属中学2022-2023学年高二上学期开学考试化学试题+word版含答案
哈师大附中12021级高二上学期开学考试化学试题可能用到的相对原子质量:H1C12N14O16Mn55Cu64Zn65一、选择题(本题包括20小题,每小题2分,共40分;每小题只有一个选项符合题意。)1、下列物品的俗名、有效成分和用途都正确的是A.漂白粉,有效成分,做消毒剂B.小苏打,,做发酵粉C.碱石灰,,做干燥剂D.铝热剂,和Fe,冶炼金属2、下列离子方程式书写正确的是A.向溶液中滴加少量新制氯水:B.向溶液中加入少量钠:C.向NaOH溶液中加入足量的铝粉:D.溶于稀硫酸中:3、下列物质各3g氧气中完全燃烧,150℃时将产物通过足量的固体后固体增重大于3g的是A.HCOOHB.C.D.4、...
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