
Kimia TPB 46
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Easy
Martasari B. Pangestuti
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
1. Berikut adalah reaksi pembakaran asam benzoat (C₆H₅COOH)
w C6H5COOH (s) + x O2 (g) → y CO2 (g) + z H2O (g)
Tentukan berapa nilai dari w
0
2/3
2
3
5
2.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
2. Glisin (C2H5NO2), salah satu asam amino paling sederhana, dibakar secara sempurna dengan oksigen berlebih. Reaksi ini menghasilkan gas karbon dioksida, uap air, dan gas nitrogen.
2. Glisin (C2H5NO2), salah satu asam amino paling sederhana, dibakar secara sempurna dengan oksigen berlebih. Reaksi ini menghasilkan gas karbon dioksida, uap air, dan gas nitrogen.
w C2H5NO2 (s) + x O2 (g) → c CO2 (g) + d H2O (g) + e N2 (g)
Tentukan berapa oksigen yang diperlukan?
5
7
9
1/2
2/7
3.
MULTIPLE CHOICE QUESTION
20 mins • 10 pts
3. Manakah persamaan reaksi yang setara dari pilihan berikut:
3. Manakah persamaan reaksi yang setara dari pilihan berikut:
KNO3 → KNO2 + O2
KNO3 → KNO2 + 2 O2
CO + O2 → CO2
Cr(OH)3 + 3 HClO4 → Cr(ClO4)3 + 3 H2O
Cr(OH)3 + 2 HClO4 → Cr(ClO4)3 + 3 H2O
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Zat berikut yang termasuk campuran homogen adalah …
Air laut
Air dan minyak
Besi dan pasir
Udara dan debu
Garam dapur
5.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Atom karbon-14 memiliki nomor atom 6. Jumlah neutronnya adalah …
6
8
7
14
20
6.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Jumlah mol dalam 18 g H₂O adalah … (Ar H = 1, O = 16)
1 mol
0.5 mol
2 mol
2.5 mol
3 mol
7.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Jika reaksi menghasilkan 8 g produk, sedangkan hasil teoritis 10 g, maka persen hasilnya adalah …
60%
70%
80%
90%
100%
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