IGCSE考试紧锣密鼓的进行着,相信大家都在努力备考中。关于化学学科的复习以及最后的冲刺,老师整理了一些干货分享给大家,希望能够帮助大家梳理知识点,从容应对考试。
IGCSE化学试卷分为core和extened。如果选择core需要答paper1,paper3,如果选择extended需要答paper2,paper4。Paper5,Paper6是实验部分。
具体考试形式是:
Paper 1: Multiple Choice (Core)
Paper 2: Multiple Choice (Extended)
Paper 3: Theory (Core)
Paper 4: Theory (Extended)
Paper 5: Practical Test
Paper 6: Alternative to Practical
无论是学习拓展课程还是核心课程,学生都要考三张试卷。学习核心课程的学生考试卷1和试卷3以及试卷5或6,学习拓展课程的学生考试卷2和试卷4以及试卷5或6。
试卷1和2为选择题卷,一共有40道选择题,考试时间为45分钟;试卷3和4为理论题卷,主要是简答题和结构化问题,所有题目都是必答题,考试时间是1小时15分钟,满分80分。
试卷5和6考查的都是实验技能,区别为试卷5需要进行实际操作,试卷6以笔试形式进行。
◎ 考点分析
基本的知识考点有:
Section 1: Principles of chemistry
a) States of matter
b) Atoms
c) Atomic structure
d) Relative molecular and formula masses
e) Chemical formulae and chemical equations
f) Ionic compounds
g) Covalent substances
h) Metallic crystals
i) Electrolysis
Section 2: Chemistry of the elements
a) The Periodic Table
b) The Group 1 elements – lithium, sodium and potassium
c) The Group 7 elements – chlorine, bromine and iodine
d) Oxygen and oxides
e) Hydrogen and water
f) Reactivity series
g) Tests for ions and gases
Section 3: Organic chemistry
a) Introduction
b) Alkanes
c) Alkenes
Section 4: Physical chemistry
a) Acids, alkalis and salts
b) Energetics
c) Rates of reaction
d) Equilibria
Section 5: Chemistry in society
a) Extraction and uses of metals
b) Crude oil
c) Synthetic polymers
d) The manufacture of some important chemicals
◎ 考试难点
Organic chemistry
Practical Test
◎ Checklist
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