
Pengekstrakan Aluminium dan Prosesnya

Flashcard
•
Chemistry
•
11th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Apakah tujuan utama penambahan kriolit semasa pengekstrakan aluminium daripada aluminium oksida?
Back
Untuk merendahkan takat lebur aluminium oksida.
2.
FLASHCARD QUESTION
Front
Apakah hasil yang terbentuk di anod dan katod semasa elektrolisis aluminium oksida lebur?
Back
Anod: Gas oksigen; Katod: Aluminium lebur
3.
FLASHCARD QUESTION
Front
Apakah kesan negatif terhadap alam sekitar yang berkaitan dengan pengekstrakan aluminium secara industri?
Back
Penghasilan gas karbon dioksida yang menyumbang kepada kesan rumah hijau.
4.
FLASHCARD QUESTION
Front
Logam jenis apakah yang paling sesuai diekstrak daripada bijihnya menggunakan kaedah penurunan oleh karbon?
Back
Logam sederhana reaktif
5.
FLASHCARD QUESTION
Front
Mengapakah aluminium lebur tenggelam ke lapisan bawah sel elektrolitik?
Back
Kerana ia lebih tumpat daripada elektrolit.
6.
FLASHCARD QUESTION
Front
Apakah proses pengekstrakan aluminium daripada bijih bauksit?
Back
Proses Bayer diikuti dengan elektrolisis.
7.
FLASHCARD QUESTION
Front
Apakah peranan kriolit dalam proses elektrolisis aluminium?
Back
Kriolit berfungsi untuk menurunkan takat lebur dan meningkatkan kecekapan proses.
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