Tiến hành các thí nghiệm sau:         (a) Sục khí CO₂ dư vào dung dịch BaCl₂.         (b) Cho dung dịch NH₃ dư vào dung dịch ZnCl₂.         (c) Cho dung dịch Fe(NO₃)₂ vào dung dịch AgNO₃ dư.         (d) Cho hỗn hợp Na₂O và Al₂O₃ (tỉ lệ mol 1 : 1) vào nước dư.         (e) Cho dung dịch NaHCO₃ dư vào dung dịch Ca(OH)₂.         (g) Cho hỗn hợp bột Cu và Fe₂O₃ (tỉ lệ mol 1 : 1) vào dung dịch HCl dư. Sau khi các phản ứng xảy ra hoàn toàn, số thí nghiệm thu được kết tủa là:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose one sentence that has the same meaning as the root one:

  The plants may develop differently. The plants grow on that island.
  
  

• Choose one sentence that has the same meaning as the root one:

  Sam emphasized the importance of being thoughtful toward one another.
  
  

• Choose one sentence that has the same meaning as the root one:

  Unlike her friends, Jane prefers an independent life.
  
  

• Choose one sentence that has the same meaning as the root one:

  I used to live in Happy Valley.
  
  

• Choose one sentence that has the same meaning as the root one:

  My sister speaks little German.
  
  

• Choose one sentence that has the same meaning as the root one:

  We could have helped her out.
  
  

• Choose one sentence that has the same meaning as the root one:

  Who made you work so hard yesterday?
  
  

• Choose one sentence that has the same meaning as the root one:

  Despite his inexperience in the field, John applied for the job.
  
  

• Choose one sentence that has the same meaning as the root one:

  I couldn't help laughing when he told me that story.
  
  

• Choose one sentence that has the same meaning as the root one:

  She feels happy because of her coming birthday party.