江苏省连云港市2019年中考化学真题试题(含解析)
2019年江苏省连云港市中考化学试卷一、单选题(本大题共12小题,共24.0分)1.践行“绿水青山就是金山银山”理念,建设美丽连云港。下列做法符合该理念的是( )A.过度施用农药B.回收废弃塑料C.就地焚烧秸秆D.任意排放污水2.下列过程中包含化学变化的是( )A.花香四溢B.海水晒盐C.积雪融化D.粮食酿酒3.下列图示实验操作,正确的是( )A.检查气密性B.检验O2是否集满C.收集H2D.稀释浓H2SO44.下列化学用语表示正确的是( )A.高锰酸钾的化学式:K2MnO4B.60个碳原子:C60C.2个氯离子:2Cl−¿¿D.Mg2+¿¿的结构示意图:5.氟元素在元素周期表中的相关...
相关推荐
-
架构演进:小米的经验分享VIP免费
2025-03-31 14 -
Chemical Evolution of Fluorine in the Milky Way Kate A. Womack1Fiorenzo Vincenzo1Brad K. Gibson1Benoit Côté23Marco Pignatari3110
2025-09-29 3 -
Chemical evolution of elliptical galaxies I supernovae and AGN feedback Marta Molero12Francesca Matteucci123Luca Ciotti4
2025-09-29 2 -
CHAYAN KARMAKAR ABSTRACT . The aim of this paper is to give another proof of a theorem of D .Prasad
2025-09-29 3 -
Charge-sensing of a GeSi coreshell nanowire double quantum dot using a high-impedance superconducting resonator
2025-09-29 3 -
Charge uctuation and charge-resolved entanglement in a monitored quantum circuit with U1symmetry
2025-09-29 3 -
Character-level White-Box Adversarial Attacks against Transformers via Attachable Subwords Substitution
2025-09-29 4 -
Certifying randomness in quantum state collapse Liang-Liang Sun1Xingjian Zhang2Xiang-Zhou1Zheng-Da Li34
2025-09-29 3 -
CERTIFIED ROBUSTNESS OF QUANTUM CLASSIFIERS AGAINST ADVERSARIAL EXAMPLES THROUGH QUANTUM NOISE
2025-09-29 3 -
Certified machine learning Rigorous a posteriori error bounds for PDE defined PINNs
2025-09-29 2
作者详情
相关内容
-
Charge uctuation and charge-resolved entanglement in a monitored quantum circuit with U1symmetry
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币
-
Character-level White-Box Adversarial Attacks against Transformers via Attachable Subwords Substitution
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币
-
Certifying randomness in quantum state collapse Liang-Liang Sun1Xingjian Zhang2Xiang-Zhou1Zheng-Da Li34
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币
-
CERTIFIED ROBUSTNESS OF QUANTUM CLASSIFIERS AGAINST ADVERSARIAL EXAMPLES THROUGH QUANTUM NOISE
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币
-
Certified machine learning Rigorous a posteriori error bounds for PDE defined PINNs
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币


渝公网安备50010702506394