Experiments and applications
Review the permitted syllabus objectives and practice reviewed questions for this CSCA topic.
What to study
- laboratory safety and apparatus use
- preparation and identification of common gases
- separation and purification methods
- analysis of industrial chemical processes such as ammonia synthesis
The scope shown here follows the syllabus-derived guardrails used by the CSCAPrep question factory. Related advanced material is not added unless it appears in the defined scope.
Practice this topic
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 · Experiments and applications在进行化学实验时，如果不慎将少量浓硫酸溅到皮肤上，正确的处理方法是？Standard · Experiments and applications实验室用加热氯化铵和氢氧化钙固体混合物的方法制取氨气，下列收集方法中正确的是？Standard · Experiments and applications工业合成氨反应为N2(g) + 3H2(g) ⇌ 2NH3(g) ΔH < 0。在实际生产中，通常采用400~500 ℃的温度条件，其主要原因是？Easy · Experiments and applications实验室中需要从含有少量氯化钠的硝酸钾固体混合物中提纯硝酸钾，最合理的实验操作顺序是？Easy · Experiments and applications实验室中需要从含有少量泥沙的氯化钠溶液中获得纯净的氯化钠晶体，最合理的实验操作顺序是？Standard · Experiments and applications实验室用大理石（主要成分CaCO3）与稀盐酸反应制取二氧化碳气体。为了得到干燥、纯净的CO2，应将气体依次通过下列哪种试剂？Standard · Experiments and applications实验室用锌粒与稀硫酸反应制取氢气，欲收集到较纯净的氢气，最佳收集方法是？Easy · Experiments and applicationsWhich piece of laboratory apparatus is most appropriate for accurately measuring 25.0 mL of a liquid for a titration?Standard · Experiments and applicationsA mixture contains solid iodine (I2) and sodium chloride (NaCl). Which separation method is most appropriate to obtain pure iodine?