Analisis Kimia Terapan
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Amininah Amininah
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seorang analis kimia pada suatu laboratorium uji di industri secara kuantitatif berupa penimbangan berat suatu unsur atau senyawa pada penentuan Kadar Barium merupakan analisis ....
Titrimetri
Asidimetri
Gravimetri
Kompleksometri
Argentometri
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Setelah di pipet sebanyak 25 mL sampel dan ditambahkan air sebanyak 150 mL, larutan dibuat dalam keadaan asam. Penambahan asam pekat, seperti asam klorida (HCl), dalam penentuan kadar barium bertujuan untuk ....
Larutan sampel terlarutkan dengan baik
Larutan sampel terendapkan dengan baik
Larutan sampel tercampur dengan baik
Larutan sampel ditambahkan basa
Larutan sampel tereksitasi dengan baik
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Penetapan Kalsium dapat diendapkan sebagai kalsium oksalat pada suasana…
netral
asam
basa
sedikit asam
sedikit basa
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Proses pendidihan setelah penambahan asam klorida (HCl) pekat pada penentuan kadar Barium bertujuan untuk ....
Mengendapkan kotoran yang tidak diinginkan, meningkatkan kemurnian cairan
Mengurangi warna nira
Meningkatkan kemurnian cairan
Melarutkan partikel dalam cairan
Mengendapkan kotoran yang tidak diinginkan
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perlakuan penambahan Asam Klorida (HCl) pekat pada sampel Barium Klorida (BaCl2.2H2O) hingga larut selanjutnya dipanaskan sampai mendidih. setelah itu ditambahkan lagi dengan Asam sulfat (H2SO4) 4 N, terjadi ....
Reaksi kimia
Endapan
larutan berubah warna pink
larutan berubah kecoklatan
Larutan tidak berwarna
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut Reaksi Kimia yang terbentuk endapan adalah ....
NaHCO3 + Ca(OH)2 → CaCO3 + NaOH + H2O
CH2O + H2SO4 → H2S + CO2 + H2O
P4 + 5 O2 → 2 P2O5
FeSO4 + 2 HCl → FeS + H2 + Cl2
C6H12O6 → 2 C2H5OH + 2 CO2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut yang bukan termasuk tujuan dilakukan digestion, yaitu...
meminimalkan kopresipitasi
merangsang pertumbuhan kristal
memudahkan penyaringan
memperbesar ukuran endapan
memperkecil kelarutan endapan
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