国际学校性价比如何?揭秘上海国际学校学费
即便现在国际学校逐渐走进很多中产家庭的视野,但大家对国际学校还有很深刻的刻板印象,上国际学校=进贵族学校?但事实并非如此,随着国际学校的推广以及中国家庭经济条件的提升,现在有不少家庭轻松接受! 但不...
即便现在国际学校逐渐走进很多中产家庭的视野,但大家对国际学校还有很深刻的刻板印象,上国际学校=进贵族学校?但事实并非如此,随着国际学校的推广以及中国家庭经济条件的提升,现在有不少家庭轻松接受! 但不...
广东地区中考志愿填报已过一个半月,录取结果也出来了,但有部分学生对所录取学校并不满意,那么除了普通高中,还有哪些优质学校可选呢?国际学校就是一种很好的选择。今天为大家汇总了优质国际高中,帮助大家选...
IGCSE课程难度如何? 客观来说,这个问题无法一概而论。每个学科都有不同的课程体系和考试特点,我们还是要具体问题具体分析。 今天我们以CIE考试局为例,针对IGCSE几大热门学科,为大家做下全方位的难度解析。 ...
Oxidation of Primary Alcohols The products of oxidation of alcohols depends on the class of alcohols Here is a reminder of the three classes of alcohols: The three classes of alcohols Primary alcoh...
Equation of a Straight Line What is the equation of a straight line? y = mx + c is the equation for any straight line m is gradient given by “difference in y” ÷ “difference in x” or dy/dx c is the ...
Combustion of Alcohols Alcohols react with oxygen in the air when ignited and undergo complete combustion to form carbon dioxide and water Alcohol + oxygen → carbon dioxide + water Complete combust...
Polymers Addition polymerisation Addition polymerisation is one of the most important addition reactions of alkenes which form the basis of the plastic industry Addition polymerisation is the react...
Hydration of Alkenes When alkenes are treated with steam at 300 oC, a pressure of 60 atmospheres and sulfuric acid (H2SO4) or phosphoric acid (H3PO4) catalyst, the water is added across the double ...
Hydrohalogenation of Alkenes Alkenes will react readily with hydrogen halides such as HCl and HBr to produce halogenoalkanes This reaction is known as hydrohalogenation It is also an electrophilic...
Halogenation of Alkenes The reaction between alkenes and halogens is known as halogenation It is an example of an electrophilic addition where an electrophile ('electron seeker') joins onto to a do...
Hydrogenation of Alkenes Alkenes are very useful compounds as they can undergo many types of reactions They can therefore be used as starting molecules when making new compounds The reaction betwee...
Reactivity of Alkenes Alkenes are hydrocarbons containing a carbon-carbon double bond The atoms around the carbon-carbon double bond adopt a planar arrangement and the bond angle is 120o The bondin...
© 2025. All Rights Reserved. 沪ICP备2023009024号-1