Kuis Hukum Kekekalan Massa
Quiz
•
Chemistry
•
10th Grade
•
Medium
Nilawati Nilawati
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Di antara reaksi berikut ini, yang tidak mengikuti hukum kekekalan massa adalah
5 gram belerang + 10 gram tembaga menghasilkan 15 gram tembaga (II) sulfida
5 gram belerang + 10 gram oksigen menghasilkan 10 gram belerang dioksida
3 gram karbon + 8 gram oksigen menghasilkan 11 gram karbondioksida
2 gram belerang + 3,5 gram besi menghasilkan 5,5 gram besi (II) sulfida
2.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Bunyi Hukum Kekekalan Massa adalah
Dalam sistem tertutup, massa zat sebelum dan sesudah reaksi adalah sama
Unsur-Unsur bergabung membentuk senyawa dengan perbandingan tetap
Massa zat sebelum dan sesudah reaksi berbeda
Jika sejumlah gas direaksikan dengan volume konstan atau tetap akan berbanding lurus dengan nilai suhunya
3.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Pembakaran 0,4 gram belerang dengan 0,8 gram oksigen dalam ruang tertutup akan menghasilkan gas belerang dioksida sebanyak
1,6 gram
1,4 gram
1,2 gram
0,8 gram
4.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Sebanyak 0,5 gram sampel magnesium bereaksi dengan 3 gram gas nitrogen. Satu-satunya produk adalah magnesium nitrida. Sesudah reaksi, massa nitrogen yang tidak bereaksi adalah 2,5 gram. Berapakah massa magnesium nitrida yang dihasilkan?
1 gram
0,9 gram
0,5 gram
0,8 gram
5.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Sebanyak 10 gram belerang direaksikan dengan 10 gram oksigen sehingga membentuk gas belerang dioksida. Apabila reaksi berlangsung secara sempurna maka massa belerang dioksida yang dihasilkan ialah
10 gram
12 gram
15 gram
20 gram
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