贵州省遵义市2018年中考化学真题试题(含解析)
贵州省遵义市2018年中考化学真题试题 一、选择题(本大题包括10个小题,每小题2分,共20分。每小题只有一个正确答案)1.下列燃料最清洁的是( )A.化石燃料B.一氧化碳C.氢气D.酒精【解析】A、化石燃料燃烧除了生成大量的二氧化碳以外,还会生成二氧化硫等有害气体造成环境污染;B、一氧化碳燃烧生成的二氧化碳是造成温室效应的主要物质;C、氢气燃烧只生成水,不会对环境造成任何污染;D、酒精燃烧生成的二氧化碳是造成温室效应的主要物质。【答案】C2.下列图标表示物品回收标志的是( )A.B.C.D.【解析】A、图中所示标志是中国节能标志;B、图中所示标志是物品回收标志;C、图中所示标志是节水标志...
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