如圖是氫氧化鈉與鹽酸反應(yīng)的微觀示意圖,請仔細觀察、分析此圖,寫出一條你從圖中獲取的信息(用文字或化學用語表述)________________。

氫氧化鈉與鹽酸反應(yīng)


答案:鹽酸在水溶液中解離成氫離子和氯離子;氫氧化鈉在水溶液中解離成鈉離子和氫氧根離子;氯化鈉在水溶液中解離成鈉離子和氯離子;氫氧化鈉與鹽酸反應(yīng)的實質(zhì)是氫離子與氫氧根離子反應(yīng)生成水


練習冊系列答案
相關(guān)習題

科目:初中化學 來源: 題型:


鋼鐵是重要的金屬材料。

(1)下圖的鐵制品的用途中,利用金屬延展性的是___________ (填字母,下同)。

(2)目前世界上已有50%以上的廢鋼鐵得到回收利用,其主要目的是___________。

A.節(jié)約金屬資源                            B.合理開采礦物

C.防止空氣污染                           

查看答案和解析>>

科目:初中化學 來源: 題型:


煙草也是毒品,右圖是一幅關(guān)于它的危害的漫畫。請就人們的健康生活提出兩條建議,并用化學知識說明理由:

①________________________________________________________________________;

②________________________________________________________________________。

查看答案和解析>>

科目:初中化學 來源: 題型:


實驗室制取二氧化碳可以選用的發(fā)生裝置是(  )。

查看答案和解析>>

科目:初中化學 來源: 題型:


酸與堿作用生成鹽和水的反應(yīng),叫做中和反應(yīng)。它在工農(nóng)業(yè)生產(chǎn)和日常生活中有廣泛的用途。下列應(yīng)用一定與中和反應(yīng)原理無關(guān)的是(  )。

A.施用熟石灰改良酸性土壤           B.服用含Al(OH)3的藥物治療胃酸過多

C.用熟石灰和硫酸銅配制波爾多液     D.用NaOH溶液洗滌石油產(chǎn)品中的殘余硫酸

查看答案和解析>>

科目:初中化學 來源: 題型:


下列自然資源的利用過程中,發(fā)生了化學變化的是

A.水力發(fā)電          B.分離液態(tài)空氣制氧氣

C.海水曬鹽          D.煅燒石灰石制生石灰

查看答案和解析>>

科目:初中化學 來源: 題型:


下列關(guān)于硝酸銨(NH4NO3)的說法,不正確的是

A.NH4NO3是一種常見的氮肥

B.NH4NO3中含2種不同的原子團

C.NH4NO3中各元素的質(zhì)量比為1:4:1:3

 


查看答案和解析>>

科目:初中化學 來源: 題型:


某化學興趣小組同學用Na2CO3溶液和濃HCl來研究簡易滅火器的反應(yīng)原理時,對廢液的成分進行探究。

【推理假設(shè)】  廢液的成分中一定有               ,可能有Na2CO3或鹽酸.

【實驗探究】  確定廢液成分中是否含有Na2CO3或鹽酸

     請你協(xié)助興趣小組的同學完成實驗探究,并完成實驗報告。

實驗步驟

現(xiàn)象

結(jié)論

該廢液中一定沒有鹽酸                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      

該廢液中一定含有Na2CO3

查看答案和解析>>

科目:初中化學 來源: 題型:


下列生活中常見的變化中屬于化學變化的是

A.榨取果汁         B.雕刻玉器         C.燃放煙花            D.干冰升華

查看答案和解析>>

同步練習冊答案