
Quiz về Quy trình Bayer

Quiz
•
Science
•
Professional Development
•
Hard
206 GPT
FREE Resource
31 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quy trình Bayer được phát minh bởi ai?
Karl Friedrich Benz
Carl Josef Bayer
Friedrich Wöhler
Alfred Nobel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khoáng vật dễ hòa tan nhất trong dung dịch xút là:
Diaspore
Boehmite
Gibbsite
Kaolinit
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sản phẩm của phản ứng Al(OH)₃ + NaOH là:
Al₂O₃
NaAlO₂
AlCl₃
NaCl
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bùn đỏ là sản phẩm phụ chủ yếu của công đoạn nào?
Kết tủa
Hòa tách
Nung luyện
Nghiền
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào được dùng để hòa tan alumina từ bauxit trong quy trình Bayer?
HCl
H₂SO₄
NaOH
Ca(OH)₂
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dạng alumina hòa tan trong dung dịch là:
Al³⁺
[Al(OH)₄]⁻
AlO₂⁻
Al(OH)₂⁻
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhiệt độ hòa tan hiệu quả của gibbsite là:
50-70°C
120-150°C
200-230°C
>280°C
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