2010年淄博市化学中考试题及答案(1)
2010年淄博市中考化学试题第一卷(选择题共30分)16、化学就是在原子、分子的水平上研究物质的组成、结构、性质、变化及其应用的一门基础自然科学。随着科技的发展,人们可能通过操纵单个原子制造分子。假设用此技术欲制的到蔗糖(C12H22O11),则不需要的原子是()A、氢原子B、氧原子C、氮原子D、碳原子17、在我们的生活中不断的发生着许多的化学变化,下列变化属于化学变化的是()A、海水晒盐B、水的蒸馏C、酒精挥发D、光合作用18、下列关于甲烷和乙炔两种物质的说法错误的是()A、都属于有机化合物B、都属于碳水化合物C、组成的元素种类相同D、燃烧后的产物都是二氧化碳和水19、具备基本的化学实验技能...
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