收藏
下载资源 加入VIP,免费下载

2018年中考化学真题分类汇编2我们身边的物质考点9氧气1性质和用途实验现象（无答案）.doc

上传人：outsidejudge265 文档编号：1129992 上传时间：2019-05-08 格式：DOC 页数：2 大小：23.50KB
下载 相关 举报
2018年中考化学真题分类汇编2我们身边的物质考点9氧气1性质和用途实验现象（无答案）.doc_第1页
第1页 / 共2页
2018年中考化学真题分类汇编2我们身边的物质考点9氧气1性质和用途实验现象（无答案）.doc_第2页
第2页 / 共2页
亲，该文档总共2页，全部预览完了，如果喜欢就下载吧！
资源描述

1氧气（18 本溪）11下列有关实验现象的描述正确的是A木炭在氧气中燃烧生成二氧化碳B硫在氧气中燃烧发出淡蓝色火焰C红磷在空气中燃烧生成白色烟雾D镁条在空气中燃烧生成白色固体（18 天津）7下列说法正确的是（ ）A木炭燃烧后生成黑色固体 B铁丝伸入盛有氧气的集气瓶中剧烈燃烧C红磷在空气中燃烧产生白色烟雾 D硫在氧气中燃烧发出监紫色火焰（18 邵阳）3下列有关实验现象描述正确的是A硫在氧气中燃烧产生淡蓝色的火焰B红磷在空气中燃烧产生大量的白烟C碳在空气中燃烧生成二氧化碳D将铁丝伸入盛有氧气的集气瓶中剧烈燃烧（18 岳阳）6下列有关实验现象的描述，正确的是（ ）A红磷在空气中燃烧产生大量白雾2B木炭在空气中燃烧生成二氧化碳C硫在空气中燃烧发出蓝紫色火焰D铁丝在氧气中燃烧生成黑色固体

展开阅读全文
相关资源
猜你喜欢
  • BS EN ISO 15175-2011 Soil quality Characterization of soil related to groundwater protection《土壤质量 与地下水保护相关的土壤的特性描述》.pdf BS EN ISO 15175-2011 Soil quality Characterization of soil related to groundwater protection《土壤质量 与地下水保护相关的土壤的特性描述》.pdf
  • BS EN ISO 15181-1-2007 Paints and varnishes - Determination of release rate of biocides from antifouling paints - General method for extraction of biocides《涂料和清漆 防虫涂料中杀虫剂释放速率的测定 杀虫.pdf BS EN ISO 15181-1-2007 Paints and varnishes - Determination of release rate of biocides from antifouling paints - General method for extraction of biocides《涂料和清漆 防虫涂料中杀虫剂释放速率的测定 杀虫.pdf
  • BS EN ISO 15181-2-2007 Paints and varnishes - Determination of release rate of biocides from antifouling paints - Determination of copper-ion concentration in the extract and calcu.pdf BS EN ISO 15181-2-2007 Paints and varnishes - Determination of release rate of biocides from antifouling paints - Determination of copper-ion concentration in the extract and calcu.pdf
  • BS EN ISO 15181-3-2007 Paints and varnishes - Determination of release rate of biocides from antifouling paints - Calculation of the zinc ethylene-bis (dithiocarbamate)(zineb) relef.pdf BS EN ISO 15181-3-2007 Paints and varnishes - Determination of release rate of biocides from antifouling paints - Calculation of the zinc ethylene-bis (dithiocarbamate)(zineb) relef.pdf
  • BS EN ISO 15181-4-2008 Paints and varnishes -Part 4 Determination of release rate of biocides from antifouling paints - Determination of pyridine-triphenylborane (PTPB) concentrati.pdf BS EN ISO 15181-4-2008 Paints and varnishes -Part 4 Determination of release rate of biocides from antifouling paints - Determination of pyridine-triphenylborane (PTPB) concentrati.pdf
  • BS EN ISO 15181-5-2008 Paints and varnishes - Determination of release rate of biocides from antifouling paints - Calculation of the tolylfluanid and dichlofluanid release rate by l.pdf BS EN ISO 15181-5-2008 Paints and varnishes - Determination of release rate of biocides from antifouling paints - Calculation of the tolylfluanid and dichlofluanid release rate by l.pdf
  • BS EN ISO 15184-2012 Paints and varnishes Determination of film hardness by pencil test《涂料和清漆 铅笔试验测定膜硬度》.pdf BS EN ISO 15184-2012 Paints and varnishes Determination of film hardness by pencil test《涂料和清漆 铅笔试验测定膜硬度》.pdf
  • BS EN ISO 15186-2-2010 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Field measurements《声学 用声强测量建筑物和建筑构件的隔声性能 现场测量》.pdf BS EN ISO 15186-2-2010 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Field measurements《声学 用声强测量建筑物和建筑构件的隔声性能 现场测量》.pdf
  • BS EN ISO 15186-3-2010 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Laboratory measurements at low frequencies《声学 用声强进行.pdf BS EN ISO 15186-3-2010 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Laboratory measurements at low frequencies《声学 用声强进行.pdf
    • 相关搜索

    当前位置：首页 > 考试资料 > 中学考试

    copyright@ 2008-2019 麦多课文库（www.mydoc123.com）网站版权所有
    备案/许可证编号：苏ICP备17064731号-1