2021年安徽省中考化学真题
化学试题可能用到的相对原子质量:H-1C-12O-16C1-35.5K-39Fe-56一、选择题1.2021年我国政府工作报告中提出“做好碳中和工作”。碳中和是指通过植树造林,节能减排等措施,抵消因人类活动产生的二氧化碳等温室气体排放量,达到相对“零排放”。下列行为不利于实现碳中和的是A.大量使用一次性餐具B.使用新技术提高传统能源的利用效率C.利用风能实现清洁发电D.研发新工艺将二氧化碳转化为化工产品【答案】A2.材料与人类生活密切相关。下列物品的主要成分属于有机合成材料的是A.大理石华表B.塑料水管C.陶瓷餐具D.黄金面具【答案】B3.5月20日为“中国学生营养日”,青少年应关注营养与健康...
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