NanoDidik 2024
Quiz
•
Chemistry
•
University
•
Medium
INSTITUT NANOSAINS DAN NANOTEKNOLOGI / UPM
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Vaksin COVID-19 keluaran Pfizer-Moderna menggunapakai teknologi partikel nano
lipid mengandungi asid nukleik mRNA bagi virus SAR-CoV. Ini adalah suatu contoh
bagi ____________.
Nanosains
Titik Kuantum
Nanoteknologi
Titik Nano
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Suatu permukaan mengandungi partikel nano besi didapati lebih reaktif dengan
udara berbanding dengan permukaan lain yang mengandungi plat besi. Manakah
antara sifat tersebut yang mempengaruhi kadar kereaktifan besi?
Takat lebur atom besi
Nisbah luas permukaan dan isipadu
Sifat optik besi
Kesan kuantum besi
3.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Berikut adalah teknik analisis canggih yang boleh digunakan untuk mengkaji bahan
nano tiub karbon, KECUALI
Mikroskop Cahaya
Serakan Tenaga Sinar-X (EDX)
Pembelauan Sinar-X (XRD)
Mikroskop Imbasan Elektron Medan Terserak (FESEM)
4.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Manakah antara ciri-ciri berikut boleh dipertingkatkan dalam suatu peralatan yang
mengandungi bahan nano seperti tiub nano karbon?
Kadar penyerakan cahaya
Potensi pembelauan sinar-X
Kebolehan penghantaran spesifik
Kadar konduktiviti bahan
5.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Manakah antara ciri-ciri berikut tidak dipengaruhi oleh skala nano?
Susunan atom dan molekul suatu bahan
Ciri mekanik kuantum suatu bahan
Kekuatan mekanikal suatu bahan
Identiti kimia suatu bahan
6.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Kaedah mana yang paling sesuai untuk menghasilkan nanopartikel daripada bahan organik dengan mengawal saiz dan bentuk?
Sintesis hidrothermal
Penghancuran mekanikal
Pencampuran sol-gel
Mikrokapsulasi
7.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Apakah fungsi utama Transmission Electron Microscopy (TEM)?
Mengukur kekuatan bahan
Memeriksa permukaan bahan
Menghasilkan imej dengan resolusi tinggi untuk struktur dalaman
Mengukur suhu bahan
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