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随着新课程标准的不断实施,中考化学命题的思路和考察视角也在不断发生变化。作为常规题型的物质推断考题的命题,已打破了传统命题思路,由原来单一的定性分析逐渐变化为与定量计算相融合,通过化学计算科学、合理地推断物质的组成,寓化学定量计算于物质成分的定性探究中,充分体现了化学命题的综合性和命题方式的新颖性、灵活性。
With the continuous implementation of the new curriculum standards, the ideas and examination perspectives of the chemical propositions in the examinations are constantly changing. The proposition of the material inference question as a general question type has broken the traditional proposition idea, and gradually changed from a single qualitative analysis to a quantitative calculation, and scientifically and scientifically inferred the composition of matter, and quantitatively calculated The qualitative exploration of the composition of matter fully reflects the novelty and flexibility of the synthesis of the chemical proposition and the propositional approach.