Pengektrakan Logam daripada Bijihnya
Quiz
•
Science
•
9th Grade
•
Medium
mohdhafetz ali
Used 108+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Merujuk buku teks m/s 137, nyatakan kaedah pengekstrakan aluminium daripada aluminium oksida.
melalui elektrolisis
melalui penurunan oksida logam dengan karbon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nyatakan kaedah pengekstrakan besi daripada bijih besi.
melalui elektrolisis
melalui penurunan oksida logam dengan karbon
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Sila rujuk buku teks m/s 138. Nyatakan satu contoh logam selain ferum(besi) yang diekstrakkan menggunakan relau bagas.
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Tandakan dua bahan yang digunakan untuk mengekstrak besi daripada bijih besi.
Aluminium
Arang kok (karbon)
Kuprum
Kalsium karbonat (batu kapur)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa arang kok(karbon) digunakan dalam proses pengekstrakan bijih besi?
untuk menghasilkan sanga
membentuk karbon monoksida yang akan menurunkan oksida besi kepada besi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah tujuan mencampurkan batu kapur bersama bijih besi?
menghasilkan sanga
membentuk karbon monoksida yang akan menurunkan oksida besi kepada besi
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Nyatakan kesan-kesan buruk aktiviti perlombongan yang tidak dirancang kepada alam sekitar.
Tandakan jawapan yang betul.
Pemusnahan habitat akibat pembinaan lombong
Pencemaran air akibat pencucian bijih
Pencemaran bunyi oleh jentera perlombongan
Pencemaran udara akibat pembakaran bahan api
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nama saintifik bagi bijih timah?
Ferum(III) oksida
Aluminium oksida
Silikon dioksida
Kalsium karbonat
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