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一、近年一些考题中,有关“生活与化学”的问题频频出现,准确分析题目条件,有效调动所学知识,正确合理地解释生活现象,是解题的关键.例1新编人教版(必修)高一课本第76页习题第一题中的第3小题:有些牙膏中添加有少量氟化钠,写出氟化钠的电离方程式___.刷牙时氟化钠与牙齿中的矿物质——羟基磷灰石[Ca5(PO4)3OH]反应生成氟磷灰石[Ca5(PO4)3F],氟磷灰石具有良好的抗酸作用,能防止牙缝中食物残渣发酵生成的有机酸腐蚀牙齿,从而达到防止龋齿的目的.写出生成氟磷灰石反应的化学方程式___.
I. In recent years, in some exam questions, questions concerning “living and chemistry” have appeared frequently. Accurate analysis of the conditions of the subject, effective mobilization of learned knowledge, and the correct and reasonable interpretation of life phenomena are the keys to solving the problem. Example 1 The new editorial board ( Compulsory) Grade 3 in the first exercise book on page 76. Some toothpastes contain a small amount of sodium fluoride, and the ionization equation for sodium fluoride is written. Calcium fluoride and teeth in the teeth when brushing teeth Substance - hydroxyapatite [Ca5(PO4)3OH] reacts to produce fluoroapatite [Ca5(PO4)3F], fluorapatite has good antacid effect and can prevent fermentation of organic food residues in the teeth The acid corrodes the tooth to achieve the purpose of preventing dental caries. Write the chemical equation for the reaction of fluoroapatite production ___.