早教吧 育儿知识 作业答案 考试题库 百科 知识分享

已知A是一种不溶于水的固体非金属氧化物,根据图中的转化关系,回答:(1)A是,D是。(2)写化学方程式:①

题目详情

已知A是一种不溶于水的固体非金属氧化物,根据图中的转化关系,回答:

(1)A是    ,D是    

(2)写化学方程式:①                                               

                                                              

(3)写离子方程式:②                                              

                                                              

                                                              

 

已知A是一种不溶于水的固体非金属氧化物,根据图中的转化关系,回答:

(1)A是    ,D是    

(2)写化学方程式:①                                               

                                                              

(3)写离子方程式:②                                              

                                                              

                                                              

 

已知A是一种不溶于水的固体非金属氧化物,根据图中的转化关系,回答:

(1)A是    ,D是    

(2)写化学方程式:①                                               

                                                              

(3)写离子方程式:②                                              

                                                              

                                                              

 

已知A是一种不溶于水的固体非金属氧化物,根据图中的转化关系,回答:

(1)A是    ,D是    

        

(2)写化学方程式:①                                               

                                               

                                                              

                                                              

(3)写离子方程式:②                                              

                                              

                                                              

                                                              

                                                              

                                                              

 

▼优质解答
答案和解析

(1)SiO2 H2SiO3

(2)①Na2CO3+SiO2Na2SiO3+CO2↑   ⑤H2SiO3====H2O+SiO2

(3)②CO2+H2O+Si====C+H2SiO3↓   ③SiO2+2OH-====Si+H2O

④Si+2H+====H2SiO3

(1)SiO2 H2SiO3

(2)①Na2CO3+SiO2Na2SiO3+CO2↑   ⑤H2SiO3====H2O+SiO2

(3)②CO2+H2O+Si====C+H2SiO3↓   ③SiO2+2OH-====Si+H2O

④Si+2H+====H2SiO3

(1)SiO2 H2SiO3

(1)SiO22 H22SiO33

(2)①Na2CO3+SiO2Na2SiO3+CO2↑   ⑤H2SiO3====H2O+SiO2

(2)①Na22CO33+SiO22Na22SiO33+CO22↑   ⑤H22SiO33====H22O+SiO22

(3)②CO2+H2O+Si====C+H2SiO3↓   ③SiO2+2OH-====Si+H2O

(3)②CO22+H22O+Si====C+H22SiO33↓   ③SiO22+2OH--====Si+H22O

④Si+2H+====H2SiO3

④Si+2H++====H22SiO33↓
看了 已知A是一种不溶于水的固体非...的网友还看了以下: