
Kimia TPB 46
Quiz
•
Chemistry
•
University
•
Easy
Martasari B. Pangestuti
Used 2+ times
FREE Resource
10 questions
Show all answers
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.
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:
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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