
Hukum dasar Kimia
Authored by Benny Manullang
Science
10th Grade

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31 questions
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1.
DROPDOWN QUESTION
2 mins • 2 pts
Bunyi Hukum Lavoisier adalah Massa pereaksi
(a) massa hasil reaksi.
sama dengan
lebih kecil dari
lebih besar dari
Answer explanation
Bunyi Hukum Lavoisier menyatakan bahwa massa pereaksi sama dengan massa hasil reaksi, jadi jawabannya adalah 'sama dengan'.
2.
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
Answer explanation
Gas nitrogen (14 g) reacts with hydrogen to produce ammonia (17 g), indicating 3 g of hydrogen reacted (17 g - 14 g = 3 g). Therefore, the correct answer is 3.
3.
FILL IN THE BLANK QUESTION
30 sec • 2 pts
Dalam suatu senyawa perbandingan massa unsur-unsur selalu tetap merupakan bunyi hukum?
4.
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 25 gram karbonmonoksida
Tersisa karbon 4 gram dan terbentuk karbon monoksida 21 gram
Answer explanation
Hanya terdapat 25 gram karbonmonoksida
5.
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
Answer explanation
To find the total mass of carbon dioxide, add the masses of carbon and oxygen: 4.6g + 3.4g = 8g. Therefore, the mass of carbon dioxide is 8 grams.
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 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
Answer explanation
Avogadro's hypothesis states that at the same temperature and pressure, the volume of a gas is directly proportional to the number of moles of gas present.
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
1
3
5
4
15
Answer explanation
To burn 3 liters of propane, 15 liters of oxygen at STP are needed according to the balanced chemical equation.
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