Kuis Praktikum Azg 2025
Quiz
•
Science
•
University
•
Practice Problem
•
Easy
Sudrajah Kisnawaty
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tujuan utama pemeriksaan kadar abu pada suatu sampel adalah...
Menentukan kadar air
Mengukur kandungan vitamin
Mengetahui jumlah mineral anorganik
Menghitung kadar protein
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suhu yang biasanya digunakan dalam pengabuan kering (dry ashing) adalah...
300-400 derajat C
100-200 derajat C
200-300 derajat C
500-600 derajat C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Langkah pertama sebelum pengabuan pada sampel yang mengandung banyak air adalah...
Penambahan asam sulfat
Pencampuran dengan katalis
Penghancuran sampel
Pengeringan sampel
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Komponen utama yang tersisa setelah pengabuan sempurna adalah...
Protein
Serat kasar
Oksida mineral
Karbohidrat
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alat yang digunakan untuk proses pengabuan kering adalah...
Desikator
Muffle Furnace
Hot plate
Oven
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jenis abu yang dihasilkan dengan penambahan asam sulfat sebelum pengabuan disebut...
Abu kering
Abu sulfat
Abu basah
Abu bebas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kesalahan yang mungkin terjadi jika suhu pengabuan terlalu rendah adalah...
Sampel terbakar sempurna
Waktu pengabuan lebih singkat
Mineral menguap
Abu mengandung karbon sisa
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