
Abu dan Analisis Kadar Abu Quiz
Quiz
•
Chemistry
•
University
•
Hard
M. Febriansyah
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan 'abu' dalam produk makanan?
Kandungan organik total
Kandungan mineral total
Kandungan air total
Kandungan protein total
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa penentuan abu penting dalam analisis makanan?
Untuk memantau stabilitas mikrobiologis makanan
Untuk mengukur kandungan bahan organik
Untuk memantau proses teknologi makanan
Untuk mengukur kandungan air
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elemen-elemen berikut yang dapat hilang melalui volatilisasi dalam abu kering adalah?
B, Hg, P
As, Cd, Pb
Fe, Cu, Zn
Cr, Ni, V
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa reagen yang umum digunakan dalam pengabuan basah?
Asam perklorat, asam klorida, asam fosfat
Asam nitrat, asam sulfat, asam perklorat
Asam sulfat, asam fluorida, asam fosfat
Asam nitrat, asam klorida, asam sulfat
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa kelemahan utama dari abu microwave?
Itu tidak efisien untuk pengasaman kering
Itu tidak dapat diprogram
Itu tidak cocok untuk pencernaan basah
Itu tidak dapat menganalisis banyak sampel seperti tungku muffle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang ditentukan oleh Spektroskopi Serapan Atom (AAS) dalam sampel?
Konsentrasi vitamin
Konsentrasi protein
Konsentrasi mineral
Konsentrasi karbohidrat
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dicari oleh instrumen AAS ketika menentukan logam tertentu?
Penyerapan cahaya tampak
Penyerapan cahaya ultraviolet
Penyerapan sinar-X
Penyerapan cahaya inframerah
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