HUKUM LAVOISIER
Quiz
•
Chemistry
•
10th Grade
•
Medium
yulinda linda
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Direaksikan 2 gram gas hidrogen dengan 71 gram gas klorin, dihasilkan 73 gram gas hidrogen klorida maka proses ini sesuai dengan hukum....
Kekekalan massa
Kekekalan energi
Perbandingan volume
Perbandingan berganda
Perbandingan mol
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Sebanyak 10 gram padatan kalium klorat dipanaskan dalam wadah tertutup, sehingga terjadi reaksi sesui persamaan berikut.
2KClO3 (s) -----> 2 KCl (s) + 3 O2 (g)
Lebih besar dari 25 gram
Lebih besar dari 10 gram
Sama dengan 10 gram
Lebih kecil dari 25 gram
Lebih kecil dari 10 gram
3.
MULTIPLE CHOICE QUESTION
3 mins • 15 pts
Padatan iodin yang bermassa 10 gram direaksikan dengan 10 gram gas hidrogen. Ternyata setelah reaksi diperoleh 2,5 gram gas hidrogen iodide. Massa zat yang tidak bereaksi adalah…
(10 – 2,5) gram
(10 + 2,5) gram
(10 + 10) – 2,5 gram
(10 + 10) + 2,5 gram
(10 – 2,5) – 10 gram
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Sebanyak 14 gram gas nitrogen bereaksi sempurna dengan 16 gram gas oksigen membentuk gas nitrogen monoksida. Massa gas nitrogen monoksida yang dihasilkan adalah…
30 gram
44 gram
46 gram
60 gram
76 gram
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Sebanyak 8 gram gas nitrogen bereaksi sempurna dengan 6 gram gas hidrogen membentuk gas ammonia. Massa gas ammonia (NH3) yang dihasilkan adalah…
4 gram
6 gram
8 gram
12 gram
14 gram
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Pernyataan yang paling sesuai tentang hukum Lavoisier adalah ….
Jumlah molekul sebelum dan sesudah reaksi selalu sama
Volume gas sebelum dan sesudah reaksi selalu sama
Perbandingan massa unsur penyusun senyawa selalu tetap
Massa zat sebelum dan sesudah reaksi selalu sama
Perbandingan massa unsur penyusun senyawa berubah-ubah
7.
MULTIPLE CHOICE QUESTION
3 mins • 15 pts
Jika sepotong besi dibiarkan di udara sehingga semua menjadi karat besi, maka massa karat besi ….
sama dengan massa besi semula
lebih kecil dari massa besi mula-mula
lebih besar dari massa besi mula-mula
setengah massa besi mula-mula
seperempat massa besi mula-mula
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