Basic concepts and calculations
- classification and changes of state of matter
- chemical notation and equation writing
- solution concentration and pH calculations
- amount-of-substance calculations
- applications of the ideal gas equation
CSCA Chemistry Preparation
Assess chemical knowledge, scientific thinking and experimental inquiry needed for first-year science and engineering study.
- Duration
- 60 minutes
- Score
- 100
- Format
- single-answer multiple choice
- Language
- ZH / EN
Topics in the documented syllabus
Properties and reactions of substances
- properties of common elements, oxides, acids, bases and salts
- introductory hydrocarbons and derivatives
- identification of redox reactions
- ionic reactions and testing methods
Chemical theories and laws
- atomic structure and periodic law
- chemical bonds and intermolecular forces
- reaction rate and chemical equilibrium
- electrolyte solution theory
Experiments and applications
- laboratory safety and apparatus use
- preparation and identification of common gases
- separation and purification methods
- analysis of industrial chemical processes such as ammonia synthesis
Reviewed sample questions
Easy · Properties and reactions of substances下列反应中，属于氧化还原反应的是哪一个？Standard · Chemical theories and laws对于反应N2(g) + 3H2(g) ⇌ 2NH3(g) ΔH < 0，下列哪种措施能使平衡向正反应方向移动？Standard · Experiments and applications要从氯化钠和单质碘的混合物中分离出碘，最合适的实验方法是？Easy · Basic concepts and calculations在标准状况下，11.2 L 的二氧化碳气体中所含的分子数约为多少？（NA 取 6.02 × 10^23 mol^-1）Easy · Basic concepts and calculations将 0.4 g 氢氧化钠固体溶于水配成 100 mL 溶液，该溶液的物质的量浓度是多少？（NaOH 摩尔质量为 40 g/mol）Standard · Chemical theories and laws某元素的原子序数为 17，其最外层电子数和在周期表中的位置分别是？