Class 12 Physics Ch 2 NCERT solutions highlights various practical applications of capacitors in electronic circuits, power systems, and energy storage. This article contains chapter notes, important questions, exemplar solutions, exercises, and video links for Chapter 2 - Electrostatic ...
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答案:C 2.《中华人民共和国禁毒法》第四条规定:禁毒工作实行( )为主,综合治理,禁种、禁制、禁贩、禁吸并举的方针。 A.预防 B.打击 C.救治 D.惩罚 答案:A 3.《中华人民共和国禁毒法》规定,教育行政部门、( )应当将禁毒知识纳入教育、...
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Master Class 11 Chemistry with our engaging questions and answers. Boost your understanding and score top marks with comprehensive, expert-guided solutions. Start now!
class除了表示“班级”的意思,还会有“等级、阶级、阶层、类别、等级制度”等意思。 最开始的时候指的古罗马打仗期间召集起来的一群一群士兵,在军队里有各种各样的等级,它后来指古罗马社会里把人分成的6个等级,再后来就是现在的用法。 今天我们就用单词class来旧辅新知...
Chapter-wise Class 11 Physics NCERT book PDF in Hindi - NCERT भौतिकी कक्षा 11 पुस्तक
By employing Pd(OAc)2, Cs2CO3, or NaOH, and the new ligand (t-Bu)2PNP(i-BuNCH2CH2)3N (3a), an electronically diverse array of aryl bromides and chlorides possessing base-sensitive substituents (nitro, ester, and keto) provide coupling products with bulky aryl amines in good to excellent...
. If the respondent answered “yes” to at least one of these questions, it is recorded as 1, indicating that they use the Internet; otherwise, it is recorded as 0. For control variables, variables related to children’s characteristics, parents’ characteristics, and family characteristics are...
Various 1,1-difluoro-1-alkenes such as monosubstituted 1,1-difluoro-1-alkenes, 2-bromo-1,1-difluoro-1-alkenes, and 3,3-difluoroallylic alcohols are synthesized in two simple steps from 1-trifluoromethylvinylsilane: (i) its SN2' reaction with nucleophiles to construct 2,2-difluorovinyl...