8.1 Aloi dan kepentingannya
Quiz
•
Chemistry
•
10th Grade
•
Medium

amalliah amalliah
Used 146+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aloi bagi kuprum adalah lebih keras daripada kuprum tulen.
Pernyataan manakah yang betul mengenai aloi?
Atom tersusun dengan teratur
Ruang kosong antara atom berkurang
Daya tarikan antara atom berkurang
Lapisan atom kuprum lebih sukar menggelongsor
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pernyataan manakah yang menerangkan mengapa aloi lebih keras daripada logam tulen?
Atom logam lain bertindak balas dengan atom logam tulen
Atom logam lain mengurangkan atom logam tulen daripada menggelongsor
Ikatan antara atom dalam aloi lebih kuat
Ketumpatan aloi lebih tinggi
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apakah kesan pengaloian emas?
Menjadi kurang keras
Lebih mudah dibentuk
Lebih mudah melebur
Tidak terkakis
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Antara yang berikut yang aloi manakah yang sesuai untuk membuat badan kapal terbang?
Gangsa
Duralumin
Keluli
Loyang
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apakah aloi yang digunakan untuk membuat tugu negara?
Loyang
Gangsa
Keluli
Piuter
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Antara berikut yang manakah contoh kegunaan gangsa?
Pingat
Kunci
Tugu
Piala
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Apakah contoh kegunaan loyang?
Piala
Alatan muzik
Tombol pintu
Kunci
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