
Hukum Dasar Kimia
Authored by sri larasati
Chemistry
10th Grade
Used 4+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Jika 14 g gas nitrogen bereaksi dengan gas hidrogen menghasilkan 17 g gas amonia, jumlah gas hidrogen yang bereaksi adalah…
34
5
3
31
28
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Perbandingan massa karbon dan oksigen dalam karbon monoksida adalah 3: 4. Jika 9 gram karbon direaksikan dengan 16 gram oksigen maka setelah reaksi adalah....
Tersisa oksigen 7 gram dan terbentuk karbon monoksida 18 gram
Tersisa oksigen 4 gram dan terbentuk karbon monoksida 21 gram
Hanya terdapat 21 gram karbonmonoksida
Hanya terdapat 24 gram karbonmonoksida
Tersisa karbon 4 gram dan terbentuk karbon monoksida 21 gram
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
JIka massa karbon 4,6 gram dan massa gas oksigen 3,4 gram , maka massa karbon dioksida adalah
8 gram
6 gram
1,2 gram
0,8 gram
10 gram
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Pada temperatur dan tekanan yang sama, volume suatu gas sebanding dengan jumlah mol gas yang terdapat didalamnya, hipotesis tersebut dikemukakan oleh....
Proust
Boyle
Avogadro
Lavoisier
Dalton
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Di dalam senyawa CaS, perbandingan massa Ca : S = 5 : 4. Jika 10 gram kalsium direaksikan dengan 8 gram belerang, maka berapakah massa CaS yang terbentuk?
18 gram
19 gram
9 gram
96 gram
2 gram
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Di dalam senyawa AB, perbandingan massa A : B = 2 : 1. Jika terdapat 120 gram senyawa AB, tentukan massa masing-masing unsur dalam senyawa tersebut!
30 g A dan 90 g B
40 g A dan 80 g B
80 g A dan 40 g B
20 g A dan 100 g B
90 g A dan 30 g B
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
X dan Y membentuk dua jenis senyawa berturut-turut mengandung 40% dan 50% unsur X . Jika massa unsur X dalam senyawa itu sama, maka perbandingan massa unsur Y dalam senyawa I : senyawa II adalah.......
1 : 2
1 : 3
2 : 3
2 : 1
3 : 2
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