Hukum Dasar Kimia (part 1)
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Fatima Tujjahro
Used 25+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
“massa zat sebelum dan sesudah reaksi adalah sama”. Pernyataan diatas kemukakan oleh . . .
Antoin Laurent Lavoisier
Albert Einstein
John Dalton
John Jacob Berzelius
Joseph Louis Proust
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 3 gram karbon (arang) dibakar dengan 4 gram oksigen dalam wadah yang tertutup rapat, maka zat yang terbentuk adalah sebanyak . . . .gram
5
7
9
11
13
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diantara reaksi – reaksi dibawah ini yang tidak mengikuti hukum kekekalan massa adalah . . . .
5 gram belerang + 10 gram tembaga ==> 15 gram tembaga (II) sulfida
2 gram belerang + 3,5 gram besi ==> 5,5 gram besi(II)sulfida)
5 gram belerang + 10 gram oksigen ===> 10 gram belerang dioksida
3 gram karbon + 8 gram oksigen ==> 11 gram karbon dioksida
1 gram oksigen + 8 gram hidrogen ==> 9 gram air
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada percobaan reaksi antara logam besi dan belerang, didapatkan data pada tabel di atas :
Berdasarkan data diatas dapat disimpulkan bahwa nilai X dan Y berturut – turut adalah . . . .
0,2 dan 0,12
0,3 dan 1,2
0,3 dan 1,8
0,4 dan 2,2
0,4 dan 0,22
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui Ar Fe = 56 dan O = 16, maka perbandingan massa unsur besi dengan massa unsur oksigen dalam Fe2O3 adalah . . . .
2 : 3
3 : 2
3 : 4
4 : 3
7 : 2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Belerang dan oksigen bersenyawa membentuk blerang trioksida dengan perbandingan belerang dan osigen 2 : 3. Jika 6 gram belerang direaksikan dengan 6 gram gas oksigen, pda akhir reaksi akan terdapat sisa . . . .
Tidak ada
2 gram oksigen
3 gram oksigen
2 gram belerang
3 gram belerang
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan data reaksi pada tabel di atas. Perbandingan X dan Y dalam senyawa yang terbentuk adalah . . . .
5 : 2
5 : 3
7 : 3
7 : 2
7 : 5
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