Sains Ting 4 : Kimia Industri
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Medium
NORAIDA Moe
Used 50+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut yang manakah merupakan aloi?
Kuprum
Plumbum
Keluli
Zink
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah di bawah menunjukkan struktur suatu aloi. Apakah aloi itu?
Gangsa
Loyang
Piuter
Keluli
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut yang manakah benar tentang aloi gangsa?
Gangsa diperbuat daripada 99% besi dan 1% karbon
Digunakan untuk membuat tombol pintu
Mempunyai permukaan berkilau
Tahan kakisan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut aloi yang manakah sesuai digunakan untuk membuat badan pesawat?
Gangsa
Loyang
Duralumin
Piuter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan suatu eksperimen untuk mengenalpasti paku yang mempunyai ketahanan yang rendah terhadap kakisan. Antara paku berikut yang manakah berkarat lebih cepat?
Paku keluli di dalam tabung uji P
Paku besi di dalam tabung uji Q
Paku keluli dalam tabung uji R
Paku besi di dalam tabung uji S
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimanakah kekerasan suatu logam dapat ditingkatkan?
Penyaduran elektrik
Pengionan
Pengaloian
Penulenan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan susunan atom dalam aloi duralumin. Apakah peranan atom asing dalam sesuatu aloi?
Meningkatkan kemuluran logam aluminium
Meningkatkan kebolehtempaan logam aluminium
Meningkatkan kekerasan dan kekuatan logam aluminium
Meningkatkan kekonduksian elektrik logam aluminum
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