Thực hiện các thí nghiệm sau.
(a) Cho dung dịch AgNO₃ vào dung dịch Fe(NO₃)₂.
(b) Sục khí CO₂ vào dung dịch NaAlO₂ dư.
(c) Cho dung dịch Na₂CO₃ vào nước cứng vĩnh cửu.
(d) Cho dung dịch BaCl₂ vào dung dịch KH₂PO₄.
(e) Cho dung dịch KHSO₄ dư vào dung dịch KAlO₂.
Sau khi phản ứng kết thúc, số thí nghiệm tạo thành chất kết tủa là

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

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  Friendship brings us ____________ best of all in life.

   

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• Find a mistake in the four underlined parts of the sentence and correct it:

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• Choose the best answer for the following sentence:

  Most parents have total confidence ___________  the school.

   

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• Choose the best answer for the following sentence:

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• Choose the best answer for the following sentence:

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