Pengekstrakan logam dari bijihnya
Quiz
•
Science
•
10th - 11th Grade
•
Hard
Chelsea Lisa
Used 17+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pengekstrakan logam ialah proses untuk memperoleh suatu logam dari bijihnya. Berapakah jenis pengekstrakan logam?
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Logam yang lebih tinggi daripada karbon dalam siri kereaktifan logam diekstrak melalui elektrolisis. Antara yang berikut, yang manakah yang bukan diekstrak melalui elektrolisis?
Kalium
Natrium
Karbon
Magnesium
Aluminium
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bagaimanakah ZInk, Hidrogen, Ferum, Timah dan Plumbun diekstrak?
Pengekstrakan melalui elektrolisis
Pengekstrakan melalui penurunan oksida logam
Pengekstrakan melalu pemanasan terus
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuprum dan Merkuri di ekstrak terus melalui pemanasan logam. Apakah logam lain yang diekstrak melalui pemanasan?
Plumbum
Emas
Karbon
Tiada jawapan di atas
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Berikan satu contoh logam yang wujud dalam bentuk unsur di kerak Bumi?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Proses pengekstrakan logam besi dilakukan dalam relau bagas. Apakah kegunaan arang kok?
Menghasilkan karbon dioksida
Memanaskan relau bagas
Membentuk kalsium oksida
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Apakah yang terhasil daripada pemanasan besi di relau bagas?
Aluminium
Ferum
Sanga
Emas
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