PENGEKSTRAKAN LOGAM

Quiz
•
Science
•
3rd Grade
•
Hard
NOORHIDURA KARTINI BINTI ZAHARI
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pengekstrakan logam ialah proses untuk memperoleh suatu logam dari bijihnya. Berapakah jenis pengekstrakan logam?
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimanakah ZInk, Hidrogen, Ferum, Timah dan Plumbun diekstrak?
Pengekstrakan melalui elektrolisis
Pengekstrakan melalui penurunan oksida logam
Pengekstrakan melalu pemanasan terus
3.
MULTIPLE CHOICE QUESTION
30 sec • 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
Aluminium
Ferum
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses pengekstrakan logam besi dilakukan dalam relau bagas. Apakah kegunaan arang kok?
Menghasilkan karbon dioksida
Memanaskan relau bagas
Membentuk kalsium oksida
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Apakah yang terhasil daripada pemanasan besi di relau bagas? Pilih 2 jawapan.
Aluminium
Ferum
Sanga
Emas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ferum diekstrak daripada bijihnya dalam relau bagas.
Gas yang manakah dihasilkan sebagai hasil buangan?
Oksigen
Nitrogen
Hidrogen
Karbon dioksida
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Namakan bahan-bahan yang ditambahkan ke dalam P. Pilih 3 jawapan.
Bijih besi
Aluminium
Kok (karbon)
Batu kapur
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